Gideon, the Oathsworn

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

When Gideon, the Oathsworn 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).

When Gideon, the Oathsworn enters:

1. Builder's Talent — puts a counter on a creature
2. Brainstealer Dragon — makes a player lose life equal to its mana value
3. Cloudstone Curio — triggers

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

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

When Gideon, the Oathsworn 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 creature is exiled — 1,003 cards in the game can cause this (Gideon is one).

When a creature is exiled thanks to Gideon, the Oathsworn:

1. Ashnod's Intervention — brings a card back
2. Soulherder — puts a +1/+1 counter on itself

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

anything is exiled — 2,497 cards in the game can cause this (Gideon is one).

1. The War Doctor — When a creature is exiled thanks to Gideon, the Oathsworn, The War Doctor puts a time counter on itself

a creature gets a counter — 2,691 cards in the game can cause this (Gideon is one).

When a creature gets a counter thanks to Gideon, the Oathsworn:

1. Hollowmurk Siege — draws you 1 card
2. Ant-Man, Colony Commander — makes a token
3. Earth Kingdom General — gains you that much life
4. Casey Jones, Back Alley Brute — deals that much damage
5. Generous Patron — draws you 1 card
6. Shalai and Hallar — deals that much damage
7. Danny Pink — draws you 1 card
8. Enduring Scalelord — puts a +1/+1 counter on itself
9. Bold Plagiarist — puts counters on a permanent
10. Mikey & Leo, Chaos & Order — draws you 1 card

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

a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Gideon is one).

1. Dual Nature — When a creature leaves the battlefield thanks to Gideon, the Oathsworn, Dual Nature exiles a creature

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

a creature leaves the battlefield — 4,238 cards in the game can cause this (Gideon is one).

When a creature leaves the battlefield thanks to Gideon, the Oathsworn:

1. Extractor Demon — mills a card
2. Valor of the Worthy — makes a token
3. Traveling Plague — returns itself from the graveyard
4. Funeral March — makes a player sacrifice a creature

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

anything gets a counter — 4,415 cards in the game can cause this (Gideon is one).

1. All Will Be One — When a creature gets a counter thanks to Gideon, the Oathsworn, All Will Be One deals that much damage

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