Ixidron

a creature is turned face up — 238 cards in the game can cause this (Ixidron is one).

1. Den Protector — When Den Protector is turned face up thanks to Ixidron, it brings a card back
2. Monastery Loremaster — When Monastery Loremaster is turned face up thanks to Ixidron, it brings a card back
3. Bane of the Living — When Bane of the Living is turned face up thanks to Ixidron, it shrinks a creature by -X/-X
4. Printlifter Ooze — When a creature is turned face up thanks to Ixidron, Printlifter Ooze makes a token
5. Gadget Technician — When Gadget Technician is turned face up thanks to Ixidron, it makes a token
6. Fugitive Codebreaker — When Fugitive Codebreaker is turned face up thanks to Ixidron, it draws and discards
7. Hidden Dragonslayer — When Hidden Dragonslayer is turned face up thanks to Ixidron, it kills a creature an opponent controls
8. Silumgar Assassin — When Silumgar Assassin is turned face up thanks to Ixidron, it kills a creature an opponent controls
9. Skinthinner — When Skinthinner is turned face up thanks to Ixidron, it kills a creature an opponent controls
10. Fatal Mutation — When a creature is turned face up thanks to Ixidron, Fatal Mutation kills it

91 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 (Ixidron is one).

When Ixidron 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

489 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 (Ixidron is one).

When Ixidron 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

843 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 (Ixidron is one).

1. Mage Hunters' Onslaught — When Ixidron blocks, Mage Hunters' Onslaught makes a player lose 1 life
2. Carnage Gladiator — When Ixidron blocks, Carnage Gladiator makes a player lose 1 life
3. Barrow-Blade — When Ixidron blocks, Barrow-Blade strips abilities
4. Tide of War — When Ixidron blocks, Tide of War sacrifices a creature
5. Dead-Iron Sledge — When Ixidron blocks, Dead-Iron Sledge kills a creature
6. Dwindle — When Ixidron blocks, Dwindle kills a creature
7. Shield of the Righteous — When Ixidron blocks, Shield of the Righteous triggers

134 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 (Ixidron is one).

1. Primo, the Unbounded — When Ixidron deals combat damage, Primo, the Unbounded makes a token

511 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 (Ixidron is one).

When Ixidron attacks:

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

a creature it applies animate to — 19,392 cards in the game can cause this (Ixidron is one).

1. Pollywog Prodigy — Ixidron gives Pollywog Prodigy life as a creature
2. Havengul Lich — Ixidron gives Havengul Lich life as a creature
3. Saheeli, Radiant Creator — Ixidron gives Saheeli, Radiant Creator life as a creature
4. Captain Jean-Luc Picard — Ixidron gives Captain Jean-Luc Picard life as a creature
5. Windrider Wizard — Ixidron gives Windrider Wizard life as a creature
6. Master of Winds — Ixidron gives Master of Winds life as a creature
7. Sokka, Bold Boomeranger — Ixidron gives Sokka, Bold Boomeranger life as a creature
8. Rockslide Sorcerer — Ixidron gives Rockslide Sorcerer life as a creature
9. Umara Wizard // Umara Skyfalls — Ixidron gives Umara Wizard // Umara Skyfalls life as a creature
10. Alania, Divergent Storm — Ixidron gives Alania, Divergent Storm life as a creature

19,381 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 (Ixidron is one).

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

3,031 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 (Ixidron is one).

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

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