Slumbering Keepguard

you scry — 420 cards in the game can cause this (Slumbering Keepguard is one).

When Slumbering Keepguard scries:

1. Prudent Fateseer // Peer Review — gives +1/+0
2. Diviner of Victory // Unwind History — gets +1/+1
3. Saheeli, Consul of Oversight — makes a token
4. Celeborn the Wise — makes your creatures bigger
5. Proft, Consulting Detective — puts a +1/+1 counter on itself
6. Matoya, Archon Elder — draws you 1 card
7. Denzilore Fatehold — puts a counter on a creature
8. Elminster — costs less
9. Elrond, Master of Healing — puts a counter on a creature
10. Galadriel of Lothlórien — puts a land onto the battlefield

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

a Knight attacks — 547 cards in the game can cause this (Slumbering Keepguard is one).

1. Knights' Charge — When Slumbering Keepguard attacks, Knights' Charge makes each opponent lose 1 life

a Knight deals combat damage — 547 cards in the game can cause this (Slumbering Keepguard is one).

1. Exsanguinator Cavalry — When Slumbering Keepguard deals combat damage, Exsanguinator Cavalry puts a counter on a permanent

a Knight enters the battlefield — 592 cards in the game can cause this (Slumbering Keepguard is one).

When Slumbering Keepguard enters:

1. Brimstone Trebuchet — untaps itself
2. Zhalfirin Lancer — gets +1/+1

a Knight creature it grants types to — 596 cards in the game can cause this.

1. Dragoon's Lance — Dragoon's Lance gives Slumbering Keepguard an extra creature type

595 other cards cause 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. Ojutai Exemplars — When Ojutai Exemplars enters, Slumbering Keepguard scries
2. Emeria Shepherd — When an enchantment enters thanks to Emeria Shepherd, Slumbering Keepguard scries
3. Sun-Blessed Healer — When an enchantment enters thanks to Sun-Blessed Healer, Slumbering Keepguard scries
4. Bilbo, Unexpected Adventurer — When an enchantment enters thanks to Bilbo, Unexpected Adventurer, Slumbering Keepguard scries
5. Psemilla, Meletian Poet — When a Nymph enters thanks to Psemilla, Meletian Poet, Slumbering Keepguard scries
6. Astelli Reclaimer — When an enchantment enters thanks to Astelli Reclaimer, Slumbering Keepguard scries
7. Harnessed Snubhorn — When an enchantment enters thanks to Harnessed Snubhorn, Slumbering Keepguard scries
8. Archon of Falling Stars — When an enchantment enters thanks to Archon of Falling Stars, Slumbering Keepguard scries
9. Silent Sentinel — When an enchantment enters thanks to Silent Sentinel, Slumbering Keepguard scries
10. Unyielding Gatekeeper — When an enchantment enters thanks to Unyielding Gatekeeper, Slumbering Keepguard scries

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

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

When Slumbering Keepguard 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 (Slumbering Keepguard is one).

When Slumbering Keepguard 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

111 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 (Slumbering Keepguard is one).

When Slumbering Keepguard 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

183 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 (Slumbering Keepguard is one).

When Slumbering Keepguard blocks:

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

23 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 (Slumbering Keepguard is one).

When Slumbering Keepguard attacks:

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

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

When Slumbering Keepguard enters:

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

301 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 (Slumbering Keepguard is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Slumbering Keepguard enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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