Gideon, Ally of Zendikar

an Ally enters the battlefield — 285 cards in the game can cause this (Gideon is one).

When an Ally enters thanks to Gideon, Ally of Zendikar:

1. Turntimber Ranger — makes a token
2. Grovetender Druids — makes a token
3. Halimar Excavator — mills a card
4. Kalastria Healer — makes each opponent lose 1 life
5. South Pole Voyager — gains you 1 life
6. Ondu Cleric — gains you life
7. Tuktuk Grunts — puts a +1/+1 counter on itself
8. Sokka and Suki — triggers
9. Tuktuk Scrapper — kills an artifact an opponent controls
10. Bala Ged Thief — triggers

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

a planeswalker it grants abilities to — 312 cards in the game can cause this.

1. Way of the Healer — Way of the Healer gives Gideon, Ally of Zendikar an extra ability
2. Deification — Deification gives Gideon, Ally of Zendikar hexproof

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

a planeswalker is cast — 361 cards in the game can cause this (Gideon is one).

When Gideon, Ally of Zendikar is cast:

1. Jaya's Phoenix — returns itself from the graveyard
2. Interplanar Beacon — gains you 1 life
3. Defiler of Faith — makes a token
4. Primeval Bounty — puts 3 counters on a creature
5. Tetsuko Umezawa, Pursuer — gets +1/+1
6. Thor, God of Thunder — deals that spell's mana value damage
7. Krile Baldesion — brings a card back
8. Summon: Good King Mog XII — makes a token
9. Kykar, Wind's Fury — makes a token
10. Blood Funnel — sacrifices a creature

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

a planeswalker enters the battlefield — 366 cards in the game can cause this (Gideon is one).

1. Liliana the Repentant — When a Knight or Ally enters thanks to Gideon, Ally of Zendikar, Liliana the Repentant mills a card
2. Liliana the Faultless — When a Knight or Ally enters thanks to Gideon, Ally of Zendikar, Liliana the Faultless gains you 1 life
3. Builder's Talent — When Gideon, Ally of Zendikar enters, Builder's Talent puts a counter on a creature
4. Brainstealer Dragon — When a Knight or Ally enters thanks to Gideon, Ally of Zendikar, Brainstealer Dragon makes a player lose life equal to its mana value
5. Cloudstone Curio — When a Knight or Ally enters thanks to Gideon, Ally of Zendikar, Cloudstone Curio triggers

damage is prevented — 568 cards in the game can cause this (Gideon is one).

When Gideon, Ally of Zendikar has damage prevented:

1. Phyrexian Vindicator — deals that much damage
2. Selfless Squire — puts that many +1/+1 counters on itself
3. New Way Forward — deals that much damage
4. Samite Ministration — gains you that much life
5. Judgment of Alexander — deals its power damage

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

When a Knight enters thanks to Gideon, Ally of Zendikar:

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

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

When a Knight or Ally enters thanks to Gideon, Ally of Zendikar:

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 (Gideon is one).

1. Staff of the Storyteller — When Gideon, Ally of Zendikar makes a Knight or Ally 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 (Gideon is one).

When a Knight or Ally enters thanks to Gideon, Ally of Zendikar:

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 (Gideon is one).

When Gideon, Ally of Zendikar makes a Knight or Ally 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.

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

When a Knight or Ally enters thanks to Gideon, Ally of Zendikar:

1. Lunarch Veteran // Luminous Phantom — gains you 1 life
2. Pious Evangel // Wayward Disciple — gains you 1 life
3. Daxos, Blessed by the Sun — gains you 1 life
4. Elas il-Kor, Sadistic Pilgrim — gains you 1 life
5. Blasting Station — untaps itself
6. General Kreat, the Boltbringer — deals 1 damage
7. Sage of the Falls — draws you 1 card
8. Mogg Bombers — sacrifices itself
9. Flame-Kin War Scout — sacrifices itself
10. Monkey Cage — sacrifices itself

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