Éomer of the Riddermark

a Knight enters the battlefield — 70 cards in Éomer of the Riddermark's colors can cause this (Éomer of the Riddermark is one).

1. Brimstone Trebuchet — When Éomer of the Riddermark enters, Brimstone Trebuchet untaps itself

a Soldier creature enters the battlefield — 130 cards in Éomer of the Riddermark's colors can cause this (Éomer of the Riddermark is one).

1. Veteran's Armaments — When a Soldier enters thanks to Éomer of the Riddermark, Veteran's Armaments triggers

provide a creature to sacrifice — 482 cards in Éomer of the Riddermark's colors can cause this.

1. Industrial Advancement — Éomer of the Riddermark makes fodder for Industrial Advancement
2. Divergent Transformations — Éomer of the Riddermark makes fodder for Divergent Transformations
3. Transmogrify — Éomer of the Riddermark makes fodder for Transmogrify

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

a token is created — 757 cards in Éomer of the Riddermark's colors can cause this (Éomer of the Riddermark is one).

1. Idol of Oblivion — When Éomer of the Riddermark makes a Human or Soldier token, Idol of Oblivion draws you 1 card

a Human enters the battlefield — 661 cards in Éomer of the Riddermark's colors can cause this (Éomer of the Riddermark is one).

When a Human enters thanks to Éomer of the Riddermark:

1. Erkenbrand, Lord of Westfold — gives +1/+0
2. Vigilante Justice — deals 1 damage

a creature attacks — 3,451 cards in Éomer of the Riddermark's colors can cause this (Éomer of the Riddermark is one).

When Éomer of the Riddermark attacks:

1. Adaptive Omnitool — searches a library
2. Staff of Titania — makes a token
3. Inquisitorial Rosette — makes a token
4. Andúril, Flame of the West — makes 2 tokens
5. Saw — sacrifices a creature
6. Ultima Weapon — kills a creature an opponent controls
7. Total War — kills a creature
8. The Spear of Leonidas — triggers
9. Norin the Wary — flickers itself
10. Throwing Knife — sacrifices itself

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

a creature blocks — 3,451 cards in Éomer of the Riddermark's colors can cause this (Éomer of the Riddermark is one).

When Éomer of the Riddermark blocks:

1. Barrow-Blade — strips abilities
2. Heat of Battle — deals 1 damage
3. Battle Strain — deals 1 damage
4. Tide of War — sacrifices a creature
5. Dead-Iron Sledge — kills a creature

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

anything attacks — 3,451 cards in Éomer of the Riddermark's colors can cause this (Éomer of the Riddermark is one).

When Éomer of the Riddermark attacks:

1. ED-E, Lonesome Eyebot — puts a quest counter on itself
2. Misty Mountains Raider — puts 2 counters on a Goblin or Army
3. Razorkin Hordecaller — makes a token
4. War Effort — makes a token
5. Inti, Seneschal of the Sun — triggers
6. Gut, True Soul Zealot — sacrifices a creature or artifact
7. Cool but Rude — draws and discards
8. Swashbuckler Extraordinaire — sacrifices a Treasure
9. Puppet Master, String Puller — triggers
10. Phyrexian Ironworks — puts a counter on a permanent you control

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

a creature is cast — 3,468 cards in Éomer of the Riddermark's colors can cause this (Éomer of the Riddermark is one).

When Éomer of the Riddermark is cast:

1. Summon: Brynhildr — grants haste
2. Oketra's Monument — makes a token
3. Screamer-Killer — deals 5 damage
4. Bontu's Monument — makes each opponent lose 1 life
5. Vanquisher's Banner — draws you 1 card
6. Sarkhan's Unsealing — deals 4 damage
7. Rhonas's Monument — gives +2/+2
8. Kumano Faces Kakkazan // Etching of Kumano — it arrives with counters thanks to Kumano Faces Kakkazan // Etching of Kumano
9. Hazoret's Monument — draws and discards
10. Kefnet's Monument — triggers

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

a nontoken creature enters the battlefield — 3,511 cards in Éomer of the Riddermark's colors can cause this (Éomer of the Riddermark is one).

When Éomer of the Riddermark enters:

1. Minion Reflector — makes a token
2. Molten Echoes — makes a token
3. Flameshadow Conjuring — makes a token
4. Mirror March — flips a coin

a creature enters the battlefield — 3,801 cards in Éomer of the Riddermark's colors can cause this (Éomer of the Riddermark is one).

1. Slash, Reptile Rampager — When a Human or Soldier enters thanks to Éomer of the Riddermark, Slash, Reptile Rampager deals 2 damage
2. Gimli of the Glittering Caves — When Éomer of the Riddermark enters, Gimli of the Glittering Caves puts counters on a permanent
3. Wingnut, Bat on the Belfry — When a Human or Soldier enters thanks to Éomer of the Riddermark, Wingnut, Bat on the Belfry grants flying, haste and menace
4. Blasting Station — When a Human or Soldier enters thanks to Éomer of the Riddermark, Blasting Station untaps itself
5. General Kreat, the Boltbringer — When a Human or Soldier enters thanks to Éomer of the Riddermark, General Kreat, the Boltbringer deals 1 damage
6. Raphael, Most Attitude — When a Human or Soldier enters thanks to Éomer of the Riddermark, Raphael, Most Attitude exiles a card from your library
7. Mogg Bombers — When a Human or Soldier enters thanks to Éomer of the Riddermark, Mogg Bombers sacrifices itself
8. Flame-Kin War Scout — When a Human or Soldier enters thanks to Éomer of the Riddermark, Flame-Kin War Scout sacrifices itself
9. Monkey Cage — When a Human or Soldier enters thanks to Éomer of the Riddermark, Monkey Cage sacrifices itself
10. Irreverent Gremlin — When a Human or Soldier enters thanks to Éomer of the Riddermark, Irreverent Gremlin draws and discards

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