Killian, Decisive Mentor

a creature becomes tapped — 565 cards in the game can cause this (Killian is one).

When Killian, Decisive Mentor becomes tapped:

1. Unctus, Grand Metatect — draws you 1 card
2. Sharae of Numbing Depths — draws you 1 card
3. Rewrite History — draws you 1 card
4. Stinging Licid — deals 2 damage
5. Gideon's Avenger — puts a +1/+1 counter on itself
6. Icewrought Sentry — gets +2/+1
7. Hawkeye's Bow — deals 1 damage
8. Cryoshatter — kills a creature
9. Don't Move — kills a creature
10. Hylda of the Icy Crown — triggers

11 other cards care about it too. These are the ones with the most connections.

put an enchantment onto the battlefield — 3,743 cards in the game can cause this.

1. Search for Dagger — When Search for Dagger enters, Killian, Decisive Mentor taps a creature
2. Daxos, Blessed by the Sun — When Daxos, Blessed by the Sun enters, Killian, Decisive Mentor taps a creature
3. Enduring Innocence — When Enduring Innocence enters, Killian, Decisive Mentor taps a creature
4. Nurturing Presence — When Nurturing Presence enters, Killian, Decisive Mentor taps a creature
5. Political Triumph — When Political Triumph enters, Killian, Decisive Mentor taps a creature
6. Case of the Uneaten Feast — When Case of the Uneaten Feast enters, Killian, Decisive Mentor taps a creature
7. Tinybones Joins Up — When Tinybones Joins Up enters, Killian, Decisive Mentor taps a creature
8. Airbender Ascension — When Airbender Ascension enters, Killian, Decisive Mentor taps a creature
9. Trespasser's Curse — When Trespasser's Curse enters, Killian, Decisive Mentor taps a creature
10. Noble Heritage — When Noble Heritage enters, Killian, Decisive Mentor taps a creature

3,733 other cards cause it too. These are the ones with the most connections.

a card is drawn — 3,815 cards in the game can cause this (Killian is one).

When Killian, Decisive Mentor makes a player draw a card:

1. Temmet, Naktamun's Will — gives +1/+1
2. Niv-Mizzet, Parun — deals 1 damage
3. Aether Syphon — mills a card
4. The Locust God — makes a token
5. Starving Revenant — makes each opponent lose 1 life
6. Diviner's Wand — gets +1/+1
7. Ominous Seas — puts a foreshadow counter on itself
8. Dream Trawler — gets +1/+0
9. Iron Man, Armored Avenger — puts a counter on a creature
10. The Astonishing Ant-Man — puts a +1/+1 counter on itself

57 other cards care about it too. These are the ones with the most connections.

a Human enters the battlefield — 4,639 cards in the game can cause this (Killian is one).

When Killian, Decisive Mentor enters:

1. General Kudro of Drannith — hits a graveyard
2. Heronblade Elite — puts a +1/+1 counter on itself
3. Kyler, Sigardian Emissary — puts a +1/+1 counter on itself
4. Thalia's Lieutenant — puts a +1/+1 counter on itself
5. Champion of the Parish — puts a +1/+1 counter on itself
6. Captain of the Mists — untaps itself
7. Erkenbrand, Lord of Westfold — gives +1/+0
8. Beregond of the Guard — gives +1/+1
9. Théoden, King of Rohan — grants double strike
10. Lossarnach Captain — taps a creature an opponent controls

2 other cards care about it too. These are the ones with the most connections.

anything attacks — 17,934 cards in the game can cause this (Killian is one).

When Killian, Decisive Mentor attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Grim Javelineer — gives +1/+0
3. Invisible Woman — triggers
4. Caesar, Legion's Emperor — sacrifices a creature
5. Guide of Souls — triggers
6. Campsite Cuisine — sacrifices a Food
7. Gossip's Talent — triggers
8. Banon, the Returners' Leader — draws and discards
9. Toph, Earthbending Master — puts a counter on a permanent
10. Three Dog, Galaxy News DJ — sacrifices an Aura

113 other cards care about it too. These are the ones with the most connections.

a creature attacks — 17,934 cards in the game can cause this (Killian is one).

When Killian, Decisive Mentor attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Kindred Discovery — draws you 1 card
4. Invasion of New Capenna // Holy Frazzle-Cannon — puts counters on a permanent
5. Chorale of the Void — brings a card back
6. Saw — sacrifices a creature
7. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
8. Ultima Weapon — kills a creature an opponent controls

184 other cards care about it too. These are the ones with the most connections.

a creature blocks — 17,934 cards in the game can cause this (Killian is one).

When Killian, Decisive Mentor blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Tide of War — sacrifices a creature
3. Dead-Iron Sledge — kills a creature

25 other cards care about it too. These are the ones with the most connections.

a creature it makes cheaper to cast — 19,392 cards in the game can cause this.

1. Bontu's Monument — Bontu's Monument reduces what Killian, Decisive Mentor costs
2. Heartless Summoning — Heartless Summoning reduces what Killian, Decisive Mentor costs
3. Herald's Horn — Herald's Horn reduces what Killian, Decisive Mentor costs
4. Planar Gate — Planar Gate reduces what Killian, Decisive Mentor costs
5. Urza's Incubator — Urza's Incubator reduces what Killian, Decisive Mentor costs

19,387 other cards cause it too. These are the ones with the most connections.

a creature it boosts — 19,392 cards in the game can cause this.

1. Vanquisher's Banner — Vanquisher's Banner gives Killian, Decisive Mentor bigger stats
2. Ethereal Absolution — Ethereal Absolution gives Killian, Decisive Mentor bigger stats
3. Deathbringer Liege — Deathbringer Liege gives Killian, Decisive Mentor bigger stats
4. Elesh Norn, Grand Cenobite — Elesh Norn, Grand Cenobite gives Killian, Decisive Mentor bigger stats
5. Spear of Heliod — Spear of Heliod gives Killian, Decisive Mentor bigger stats
6. Vibrating Sphere — Vibrating Sphere gives Killian, Decisive Mentor bigger stats
7. An Unexpected Party // At the Door — An Unexpected Party // At the Door gives Killian, Decisive Mentor bigger stats
8. Invasion of Belenon // Belenon War Anthem — Invasion of Belenon // Belenon War Anthem gives Killian, Decisive Mentor bigger stats
9. Paragon of Open Graves — Paragon of Open Graves gives Killian, Decisive Mentor bigger stats
10. Paragon of New Dawns — Paragon of New Dawns gives Killian, Decisive Mentor bigger stats

19,382 other cards cause it too. These are the ones with the most connections.

a creature it grants abilities to — 19,392 cards in the game can cause this.

1. Resplendent Mentor — Resplendent Mentor gives Killian, Decisive Mentor an extra ability
2. Corrosive Mentor — Corrosive Mentor gives Killian, Decisive Mentor wither
3. Skyhunter Strike Force — Skyhunter Strike Force gives Killian, Decisive Mentor melee
4. Sublime Archangel — Sublime Archangel gives Killian, Decisive Mentor exalted
5. Gate Hound — Gate Hound gives Killian, Decisive Mentor vigilance
6. Filth — Filth gives Killian, Decisive Mentor swampwalk
7. Valor — Valor gives Killian, Decisive Mentor first strike
8. The Seriema — The Seriema gives Killian, Decisive Mentor indestructible
9. Echo Circlet — Echo Circlet gives Killian, Decisive Mentor an extra ability
10. Vanguard's Shield — Vanguard's Shield gives Killian, Decisive Mentor an extra ability

19,382 other cards cause it too. These are the ones with the most connections.

a creature it applies speed increase to — 19,392 cards in the game can cause this.

1. Thousand-Year Elixir — Thousand-Year Elixir gives Killian, Decisive Mentor haste
2. Akroma's Memorial — Akroma's Memorial gives Killian, Decisive Mentor haste

19,390 other cards cause it too. These are the ones with the most connections.

a creature it applies extra combat to — 19,392 cards in the game can cause this.

1. Swinging Ship — Swinging Ship gives Killian, Decisive Mentor its extra combat

19,391 other cards cause it too. These are the ones with the most connections.

a creature it grants types to — 19,392 cards in the game can cause this.

1. Amorphous Axe — Amorphous Axe gives Killian, Decisive Mentor an extra creature type
2. Runed Stalactite — Runed Stalactite gives Killian, Decisive Mentor an extra creature type

19,390 other cards cause it too. These are the ones with the most connections.

a creature enters the battlefield — 19,800 cards in the game can cause this (Killian is one).

When Killian, Decisive Mentor enters:

1. Slash, Reptile Rampager — deals 2 damage
2. Gimli of the Glittering Caves — puts counters on a permanent
3. Ray Fillet, Wave Warrior — puts a counter on itself
4. Legolas Greenleaf — puts a counter on a permanent
5. The Neutrinos — gets +1/+0
6. Wingnut, Bat on the Belfry — grants flying, haste and menace
7. Aetherstorm Roc — puts a counter on a permanent you control
8. Raphael, Most Attitude — exiles a card from your library

303 other cards care about it too. These are the ones with the most connections.

anything enters the battlefield — 26,499 cards in the game can cause this (Killian is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Killian, Decisive Mentor enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

43 other cards care about it too. These are the ones with the most connections.