Spike Breeder

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

1. Scurry Oak — When Scurry Oak gets a counter thanks to Spike Breeder, it makes a token
2. Fathom Mage — When Fathom Mage gets a counter thanks to Spike Breeder, it draws you 1 card
3. Hollowmurk Siege — When Spike Breeder gets a counter, Hollowmurk Siege draws you 1 card
4. Ant-Man, Colony Commander — When Spike Breeder gets a counter, Ant-Man, Colony Commander makes a token
5. Earth Kingdom General — When Spike Breeder gets a counter, Earth Kingdom General gains you that much life
6. Casey Jones, Back Alley Brute — When Spike Breeder gets a counter, Casey Jones, Back Alley Brute deals that much damage
7. Generous Patron — When Spike Breeder gets a counter, Generous Patron draws you 1 card
8. Shalai and Hallar — When Spike Breeder gets a counter, Shalai and Hallar deals that much damage
9. Danny Pink — When Spike Breeder gets a counter, Danny Pink draws you 1 card
10. Enduring Scalelord — When Spike Breeder gets a counter, Enduring Scalelord puts a +1/+1 counter on itself

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

provide a creature to sacrifice — 2,720 cards in the game can cause this.

1. Birthing Ritual — Spike Breeder makes fodder for Birthing Ritual

2,719 other cards cause it too. These are the ones with the most connections.

a creature token enters the battlefield — 2,799 cards in the game can cause this (Spike Breeder is one).

When a Spike enters thanks to Spike Breeder:

1. Securitron Squadron — puts a counter on a permanent
2. Anointer Priest — gains you 1 life
3. Nesting Dovehawk — puts a +1/+1 counter on itself

a creature token is created — 2,799 cards in the game can cause this (Spike Breeder is one).

1. Staff of the Storyteller — When Spike Breeder makes a Spike token, Staff of the Storyteller puts a story counter on itself

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

a token enters the battlefield — 3,710 cards in the game can cause this (Spike Breeder is one).

When a Spike enters thanks to Spike Breeder:

1. Baron Bertram Graywater — makes a token
2. Marneus Calgar — draws you 1 card
3. Belladonna Took — gains you 1 life
4. Kambal, Profiteering Mayor — makes each opponent lose 1 life
5. Lucy MacLean, Positively Armed — makes a token
6. Mister Fantastic, Reed Richards — draws you 1 card
7. Cloakwood Swarmkeeper — puts a +1/+1 counter on itself
8. Woodland Champion — puts that many +1/+1 counters on itself
9. Leonardo, the Balance — puts a counter on a creature
10. Spiritcall Enthusiast // Scrollboost — becomes prepared

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

a token is created — 3,711 cards in the game can cause this (Spike Breeder is one).

When Spike Breeder makes a Spike token:

1. Akim, the Soaring Wind — makes a token
2. Idol of Oblivion — draws you 1 card
3. Rosie Cotton of South Lane — puts a counter on a permanent
4. Mirkwood Bats — makes each opponent lose 1 life

17 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 (Spike Breeder is one).

1. All Will Be One — When Spike Breeder gets a counter, All Will Be One deals that much damage
2. Lonis, Genetics Expert — When Lonis, Genetics Expert gets a counter thanks to Spike Breeder, it triggers

7 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 (Spike Breeder is one).

When Spike Breeder 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

124 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 (Spike Breeder is one).

When Spike Breeder 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

194 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 (Spike Breeder is one).

When Spike Breeder blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Tide of War — sacrifices a creature
3. Dead-Iron Sledge — kills a creature
4. Dwindle — 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 (Spike Breeder is one).

When a Spike enters thanks to Spike Breeder:

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

336 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 (Spike Breeder is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When a Spike enters thanks to Spike Breeder, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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