Derevi, Empyrial Tactician

a permanent becomes tapped — 45 cards in the game can cause this (Derevi is one).

1. Freyalise's Winds — When Derevi, Empyrial Tactician becomes tapped, Freyalise's Winds puts a counter on a permanent

a permanent untaps — 66 cards in the game can cause this (Derevi is one).

When Derevi, Empyrial Tactician untaps:

1. Mesmeric Orb — mills a card
2. Wake Thrasher — gets +1/+1

a Bird attacks — 486 cards in the game can cause this (Derevi is one).

When Derevi, Empyrial Tactician attacks:

1. Hermes, Overseer of Elpis — scries
2. Choco, Seeker of Paradise — puts a land onto the battlefield

a Bird creature is cast — 486 cards in the game can cause this (Derevi is one).

1. Chocobo Camp — When Derevi, Empyrial Tactician is cast, it arrives with counters thanks to Chocobo Camp

1 other card cares about it too. These are the ones with the most connections.

a Bird deals combat damage — 486 cards in the game can cause this (Derevi is one).

1. Kastral, the Windcrested — When Derevi, Empyrial Tactician deals combat damage, Kastral, the Windcrested triggers

a nontoken Bird enters the battlefield — 487 cards in the game can cause this (Derevi is one).

1. Knightfisher — When Derevi, Empyrial Tactician enters, Knightfisher makes a token

a Bird enters the battlefield — 538 cards in the game can cause this (Derevi is one).

1. Salvation Swan — When Derevi, Empyrial Tactician enters, Salvation Swan flickers a creature you control

1 other card cares about it too. These are the ones with the most connections.

a Bird creature it boosts — 541 cards in the game can cause this.

1. Soulcatchers' Aerie — Soulcatchers' Aerie gives Derevi, Empyrial Tactician bigger stats

540 other cards cause it too. These are the ones with the most connections.

a nontoken Wizard enters the battlefield — 1,243 cards in the game can cause this (Derevi is one).

1. Inalla, Archmage Ritualist — When Derevi, Empyrial Tactician enters, Inalla, Archmage Ritualist makes a token

a Wizard creature enters the battlefield — 1,264 cards in the game can cause this (Derevi is one).

1. Diviner's Wand — When Derevi, Empyrial Tactician enters, Diviner's Wand triggers

a Wizard creature it grants abilities to — 1,269 cards in the game can cause this.

1. Astrologian's Planisphere — Astrologian's Planisphere gives Derevi, Empyrial Tactician an extra ability

1,268 other cards cause it too. These are the ones with the most connections.

a Wizard creature it grants types to — 1,269 cards in the game can cause this.

1. Blue Mage's Cane — Blue Mage's Cane gives Derevi, Empyrial Tactician an extra creature type

1,268 other cards cause it too. These are the ones with the most connections.

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

When Derevi, Empyrial Tactician attacks:

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

112 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 (Derevi is one).

When Derevi, Empyrial Tactician 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. Anim Pakal, Thousandth Moon — puts a +1/+1 counter on itself
7. Saw — sacrifices a creature
8. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Total War — kills a creature

181 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 (Derevi is one).

When Derevi, Empyrial Tactician blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Carnage Gladiator — makes a player lose 1 life
3. Barrow-Blade — strips abilities
4. Heat of Battle — deals 1 damage
5. Battle Strain — deals 1 damage
6. Favor of the Woods — gains you 3 life
7. Tide of War — sacrifices a creature
8. Dead-Iron Sledge — kills a creature
9. Dwindle — kills a creature
10. Shield of the Righteous — triggers

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

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

When Derevi, Empyrial Tactician attacks:

1. Mardu Ascendancy — makes a token
2. Basri Ket — makes a token
3. Militia's Pride — makes a token

a creature deals combat damage — 17,934 cards in the game can cause this (Derevi is one).

When Derevi, Empyrial Tactician deals combat damage:

1. Locutus of Borg — makes a token
2. Antagonist Incorporator — makes a token
3. Hive Mind Coprocessor — makes you lose life

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

a creature is cast — 18,010 cards in the game can cause this (Derevi is one).

When Derevi, Empyrial Tactician is cast:

1. Primeval Bounty — makes a token
2. Bloodbond March — brings a card back
3. Dancing from Dark to Dawn — puts that spell's mana value counters on a creature
4. Endrek Sahr, Master Breeder — makes that spell's mana value tokens

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

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

When Derevi, Empyrial Tactician 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

308 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.

When Derevi, Empyrial Tactician:

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself
2. Composer of Spring — enters thanks to Composer of Spring, it taps a permanent
3. Guardian of the Forgotten — enters thanks to Guardian of the Forgotten, it taps a permanent
4. Essence Channeler — enters thanks to Essence Channeler, it taps a permanent
5. Deep Gnome Terramancer — enters thanks to Deep Gnome Terramancer, it taps a permanent
6. Titania, Voice of Gaea — enters thanks to Titania, Voice of Gaea, it taps a permanent
7. Shepherd of the Clouds — enters thanks to Shepherd of the Clouds, it taps a permanent
8. Kinscaer Sentry — enters thanks to Kinscaer Sentry, it taps a permanent
9. Mistmeadow Witch — enters thanks to Mistmeadow Witch, it taps a permanent
10. Galepowder Mage — enters thanks to Galepowder Mage, it taps a permanent
11. Kenessos, Priest of Thassa — enters thanks to Kenessos, Priest of Thassa, it taps a permanent

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