Ulamog's Reclaimer

an instant leaves a graveyard — 202 cards in the game can cause this (Ulamog's Reclaimer is one).

1. Murktide Regent — When an instant leaves a graveyard thanks to Ulamog's Reclaimer, Murktide Regent puts a +1/+1 counter on itself

an Eldrazi creature it makes cheaper to cast — 273 cards in the game can cause this.

1. Eye of Ugin — Eye of Ugin reduces what Ulamog's Reclaimer costs

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

anything leaves a graveyard — 2,503 cards in the game can cause this (Ulamog's Reclaimer is one).

When an instant or sorcery leaves a graveyard thanks to Ulamog's Reclaimer:

1. Blastoneuron — makes each opponent lose 1 life
2. Defiled Crypt // Cadaver Lab — makes a token
3. Teval, the Balanced Scale — makes a token
4. Hologram Stalker — makes a token
5. Tormod, the Desecrator — makes a token
6. Quintorius, Field Historian — makes a token
7. Garrison Excavator — makes a token
8. Amzu, Swarm's Hunger — makes a token
9. Kirol, History Buff // Pack a Punch — becomes prepared
10. Teval's Judgment — triggers

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

a card in a graveyard — 7,589 cards in the game can cause this (Ulamog's Reclaimer is one).

1. Bloodbond March — Ulamog's Reclaimer puts cards into the graveyard that Bloodbond March can bring back
2. Heart-Shaped Herb — Ulamog's Reclaimer puts cards into the graveyard that Heart-Shaped Herb can bring back
3. Enlightened Confidant — Ulamog's Reclaimer puts cards into the graveyard that Enlightened Confidant can bring back
4. Tergrid, God of Fright // Tergrid's Lantern — Ulamog's Reclaimer puts cards into the graveyard that Tergrid, God of Fright // Tergrid's Lantern can bring back
5. Grazing Kelpie — Ulamog's Reclaimer puts cards into the graveyard that Grazing Kelpie can bring back
6. Dauthi Voidwalker — Cards Ulamog's Reclaimer would put into an opponent's graveyard are exiled by Dauthi Voidwalker instead, and it can play from among them
7. Endurance — Ulamog's Reclaimer puts cards into the graveyard that Endurance can bring back
8. Thieves' Guild Enforcer — Ulamog's Reclaimer fills an opponent's graveyard toward the 8 or more cards Thieves' Guild Enforcer needs
9. Soaring Thought-Thief — Ulamog's Reclaimer fills an opponent's graveyard toward the 8 or more cards Soaring Thought-Thief needs
10. Merfolk Windrobber — Ulamog's Reclaimer fills an opponent's graveyard toward the 8 or more cards Merfolk Windrobber needs

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

anything goes to a graveyard — 7,589 cards in the game can cause this (Ulamog's Reclaimer is one).

When a card hits the graveyard thanks to Ulamog's Reclaimer:

1. The Haunt of Hightower — puts a +1/+1 counter on itself
2. Duskmantle Guildmage — makes each opponent lose 1 life
3. Vulturous Zombie — puts a +1/+1 counter on itself
4. Bloodchief Ascension — makes each opponent lose 2 life
5. Compost — draws you 1 card
6. Planar Void — hits a graveyard

5 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 (Ulamog's Reclaimer is one).

When Ulamog's Reclaimer 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

117 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 (Ulamog's Reclaimer is one).

When Ulamog's Reclaimer 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

188 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 (Ulamog's Reclaimer is one).

When Ulamog's Reclaimer 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 deals combat damage — 17,934 cards in the game can cause this (Ulamog's Reclaimer is one).

1. Glitch Interpreter — When Ulamog's Reclaimer deals combat damage, Glitch Interpreter draws you 1 card

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

a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Ulamog's Reclaimer is one).

1. Samwise Gamgee — When Ulamog's Reclaimer enters, Samwise Gamgee makes a token

32 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 (Ulamog's Reclaimer is one).

When Ulamog's Reclaimer enters:

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

345 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 (Ulamog's Reclaimer is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Ulamog's Reclaimer enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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