Rowdy Snowballers

an Ally deals combat damage — 265 cards in the game can cause this (Rowdy Snowballers is one).

1. Invasion Tactics — When Rowdy Snowballers deals combat damage, Invasion Tactics draws you 1 card

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

When Rowdy Snowballers enters:

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 creature becomes tapped — 565 cards in the game can cause this (Rowdy Snowballers is one).

When a creature becomes tapped thanks to Rowdy Snowballers:

1. Stinging Licid — deals 2 damage
2. Gideon's Avenger — puts a +1/+1 counter on itself
3. Lust for War — deals 3 damage
4. Insolence — deals 2 damage
5. Seizures — deals 3 damage
6. Betrayal — draws you 1 card
7. Spirit Shackle — puts a counter on a permanent
8. Palliation Accord — puts a palliation counter on itself
9. Cryoshatter — kills a creature
10. Don't Move — kills a creature

11 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 (Rowdy Snowballers is one).

1. All Will Be One — When a permanent gets a counter thanks to Rowdy Snowballers, All Will Be One deals that much damage

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

a Human enters the battlefield — 4,639 cards in the game can cause this (Rowdy Snowballers is one).

When Rowdy Snowballers enters:

1. General Kudro of Drannith — hits a graveyard
2. Heronblade Elite — puts a +1/+1 counter on itself
3. Kyler, Sigardian Emissary — puts a +1/+1 counter on itself
4. Thalia's Lieutenant — puts a +1/+1 counter on itself
5. Champion of the Parish — puts a +1/+1 counter on itself
6. Captain of the Mists — untaps itself
7. Erkenbrand, Lord of Westfold — gives +1/+0
8. Beregond of the Guard — gives +1/+1
9. Théoden, King of Rohan — grants double strike
10. Lossarnach Captain — taps a creature an opponent controls

2 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 (Rowdy Snowballers is one).

When Rowdy Snowballers 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

111 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 (Rowdy Snowballers is one).

When Rowdy Snowballers 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. Saw — sacrifices a creature
7. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
8. Ultima Weapon — kills a creature an opponent controls

184 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 (Rowdy Snowballers is one).

When Rowdy Snowballers blocks:

1. Tide of War — sacrifices a creature
2. Dead-Iron Sledge — kills a creature

26 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 (Rowdy Snowballers is one).

When Rowdy Snowballers enters:

1. Lonis, Genetics Expert — 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

340 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 (Rowdy Snowballers is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Rowdy Snowballers enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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