Koll, the Forgemaster

a Dwarf deals combat damage — 168 cards in Koll's colors can cause this (Koll is one).

1. Thorin, Company's Leader — When Koll, the Forgemaster deals combat damage, Thorin, Company's Leader makes 2 tokens

a nontoken Dwarf enters the battlefield — 169 cards in Koll's colors can cause this (Koll is one).

1. Fíli the Pathfinder — When Koll, the Forgemaster enters, Fíli the Pathfinder makes a token

a Dwarf enters the battlefield — 176 cards in Koll's colors can cause this (Koll is one).

When Koll, the Forgemaster 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 Warrior creature enters the battlefield — 611 cards in Koll's colors can cause this (Koll is one).

1. Obsidian Battle-Axe — When Koll, the Forgemaster enters, Obsidian Battle-Axe triggers

a Warrior enters the battlefield — 613 cards in Koll's colors can cause this (Koll is one).

1. Mardu Woe-Reaper — When Koll, the Forgemaster enters, Mardu Woe-Reaper hits a graveyard

a creature attacks — 6,550 cards in Koll's colors can cause this (Koll is one).

When Koll, the Forgemaster attacks:

1. Adaptive Omnitool — searches a library
2. Anim Pakal, Thousandth Moon — puts a +1/+1 counter on itself
3. Staff of Titania — makes a token
4. Glory Bearers — gives +0/+1
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. Super-Soldier Serum — triggers
10. Norin the Wary — flickers itself

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

anything attacks — 6,550 cards in Koll's colors can cause this (Koll is one).

When Koll, the Forgemaster attacks:

1. ED-E, Lonesome Eyebot — puts a quest counter on itself
2. Surgical Suite // Hospital Room — puts a counter on a creature
3. Apothecary White — makes a token
4. Guide of Souls — triggers
5. Banon, the Returners' Leader — draws and discards
6. Three Dog, Galaxy News DJ — sacrifices an Aura
7. Inti, Seneschal of the Sun — triggers
8. Gut, True Soul Zealot — sacrifices a creature or artifact
9. Cool but Rude — draws and discards
10. Swashbuckler Extraordinaire — sacrifices a Treasure

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

a creature blocks — 6,550 cards in Koll's colors can cause this (Koll is one).

When Koll, the Forgemaster blocks:

1. Barrow-Blade — strips abilities
2. Heat of Battle — deals 1 damage
3. Battle Strain — deals 1 damage
4. Noble Stand — gains you 2 life
5. Battle Cry — gives +0/+1
6. Tide of War — sacrifices a creature
7. Dead-Iron Sledge — kills a creature

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

a nontoken creature attacks — 6,550 cards in Koll's colors can cause this (Koll is one).

When Koll, the Forgemaster attacks:

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

a creature enters the battlefield — 7,303 cards in Koll's colors can cause this (Koll is one).

When Koll, the Forgemaster enters:

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

1,112 other cards care about it too. These are the ones with the most connections.

anything enters the battlefield — 10,759 cards in Koll's colors can cause this (Koll is one).

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

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