Rimrock Knight // Boulder Rush

an Adventure instant is cast — 61 cards in the game can cause this (Rimrock Knight is one).

1. Lucky Clover — When Rimrock Knight // Boulder Rush is cast, Lucky Clover copies a spell

a Dwarf deals combat damage — 221 cards in the game can cause this (Rimrock Knight is one).

1. Thorin, Company's Leader — When Rimrock Knight // Boulder Rush deals combat damage, Thorin, Company's Leader makes 2 tokens

a nontoken Dwarf enters the battlefield — 222 cards in the game can cause this (Rimrock Knight is one).

1. Fíli the Pathfinder — When Rimrock Knight // Boulder Rush enters, Fíli the Pathfinder makes a token

a Dwarf enters the battlefield — 229 cards in the game can cause this (Rimrock Knight is one).

When Rimrock Knight // Boulder Rush enters:

1. Thorin, King of Durin's Folk — makes a token
2. Kíli the Resourceful — draws you 1 card
3. Giott, King of the Dwarves — draws and discards
4. Balin, Loremaster — draws and discards

a Knight attacks — 547 cards in the game can cause this (Rimrock Knight is one).

1. Knights' Charge — When Rimrock Knight // Boulder Rush attacks, Knights' Charge makes each opponent lose 1 life

a Knight deals combat damage — 547 cards in the game can cause this (Rimrock Knight is one).

1. Exsanguinator Cavalry — When Rimrock Knight // Boulder Rush deals combat damage, Exsanguinator Cavalry puts a counter on a permanent

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

When Rimrock Knight // Boulder Rush enters:

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

an instant is cast — 3,931 cards in the game can cause this (Rimrock Knight is one).

When Rimrock Knight // Boulder Rush is cast:

1. Lunar Mystic — draws you 1 card
2. Ojer Pakpatiq, Deepest Epoch // Temple of Cyclical Time — grants rebound
3. Repeated Reverberation — copies an ability
4. Bill Potts — copies an ability
5. Riku of Two Reflections — copies a spell
6. Sword of Wealth and Power — copies a spell
7. Lilah, Undefeated Slickshot — gets +1/+1
8. Gale, Waterdeep Prodigy — brings a card back
9. In the Eye of Chaos — counters a spell
10. Niblis of Frost — taps a creature an opponent controls

427 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 (Rimrock Knight is one).

When Rimrock Knight // Boulder Rush 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 (Rimrock Knight is one).

When Rimrock Knight // Boulder Rush 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

185 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 (Rimrock Knight is one).

When Rimrock Knight // Boulder Rush blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Carnage Gladiator — makes a player lose 1 life
3. Tide of War — sacrifices a creature
4. Dead-Iron Sledge — kills a creature
5. Dwindle — kills a creature

23 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 (Rimrock Knight is one).

1. Mardu Ascendancy — When Rimrock Knight // Boulder Rush attacks, Mardu Ascendancy makes a token

2 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 (Rimrock Knight is one).

When Rimrock Knight // Boulder Rush enters:

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

314 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 (Rimrock Knight is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Rimrock Knight // Boulder Rush enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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