Drey Keeper

a Squirrel enters the battlefield — 114 cards in the game can cause this (Drey Keeper is one).

1. Honored Dreyleader — When a Squirrel enters thanks to Drey Keeper, Honored Dreyleader puts a +1/+1 counter on itself

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

an Elf attacks — 723 cards in the game can cause this (Drey Keeper is one).

When Drey Keeper attacks:

1. Celeborn the Wise — scries
2. Tyvar the Bellicose — grants deathtouch
3. Harald Unites the Elves — shrinks a creature by -1/-1
4. Arboreal Alliance — triggers

a nontoken Elf enters the battlefield — 728 cards in the game can cause this (Drey Keeper is one).

1. Wirewood Hivemaster — When Drey Keeper enters, Wirewood Hivemaster makes a token

an Elf enters the battlefield — 752 cards in the game can cause this (Drey Keeper is one).

When Drey Keeper enters:

1. Wolverine Riders — gains you its toughness life
2. Elvish Warmaster — makes a token
3. Elvish Vanguard — puts a +1/+1 counter on itself
4. Marwyn, the Nurturer — puts a +1/+1 counter on itself
5. Woodland Weavemaster — gets +1/+1
6. High Perfect Morcant — puts a counter on a permanent an opponent controls
7. Maralen, Fae Ascendant — exiles a card from an opponent's library

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

provide a creature to sacrifice — 2,720 cards in the game can cause this.

1. Birthing Ritual — Drey Keeper makes fodder for Birthing Ritual

2,719 other cards cause it too. These are the ones with the most connections.

a creature token enters the battlefield — 2,799 cards in the game can cause this (Drey Keeper is one).

When a Squirrel enters thanks to Drey Keeper:

1. Securitron Squadron — puts a counter on a permanent
2. Anointer Priest — gains you 1 life
3. Nesting Dovehawk — puts a +1/+1 counter on itself

a creature token is created — 2,799 cards in the game can cause this (Drey Keeper is one).

1. Staff of the Storyteller — When Drey Keeper makes a Squirrel token, Staff of the Storyteller puts a story counter on itself

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

a token enters the battlefield — 3,710 cards in the game can cause this (Drey Keeper is one).

When a Squirrel enters thanks to Drey Keeper:

1. Baron Bertram Graywater — makes a token
2. Marneus Calgar — draws you 1 card
3. Belladonna Took — gains you 1 life
4. Kambal, Profiteering Mayor — makes each opponent lose 1 life
5. Lucy MacLean, Positively Armed — makes a token
6. Mister Fantastic, Reed Richards — draws you 1 card
7. Cloakwood Swarmkeeper — puts a +1/+1 counter on itself
8. Woodland Champion — puts that many +1/+1 counters on itself
9. Leonardo, the Balance — puts a counter on a creature
10. Spiritcall Enthusiast // Scrollboost — becomes prepared

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

a token is created — 3,711 cards in the game can cause this (Drey Keeper is one).

When Drey Keeper makes a Squirrel token:

1. Akim, the Soaring Wind — makes a token
2. Idol of Oblivion — draws you 1 card
3. Rosie Cotton of South Lane — puts a counter on a permanent
4. Mirkwood Bats — makes each opponent lose 1 life

17 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 (Drey Keeper is one).

When Drey Keeper 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

126 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 (Drey Keeper is one).

When Drey Keeper 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

196 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 (Drey Keeper is one).

When Drey Keeper 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
4. Dwindle — kills a creature

26 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 (Drey Keeper is one).

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

336 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 (Drey Keeper is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When a Squirrel enters thanks to Drey Keeper, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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