edhseer Commander synergy, explained
Legendary Creature — Tyranid
Mana cost: {3}{R}
Whenever a red source you control deals damage to one or more permanents and/or players, put a +1/+1 counter on The Red Terror.
triggered — puts a counter on it
Causes: put a counter on anything.
Cares about: nothing.
a creature gets a counter — 396 cards in The Red Terror's colors can cause this (The Red Terror is one).
When The Red Terror gets a counter:
1 other card cares about it too. These are the ones with the most connections.
anything gets a counter — 793 cards in The Red Terror's colors can cause this (The Red Terror is one).
3 other cards care about it too. These are the ones with the most connections.
a creature attacks — 3,451 cards in The Red Terror's colors can cause this (The Red Terror is one).
When The Red Terror attacks:
58 other cards care about it too. These are the ones with the most connections.
a creature blocks — 3,451 cards in The Red Terror's colors can cause this (The Red Terror is one).
When The Red Terror blocks:
1 other card cares about it too. These are the ones with the most connections.
anything attacks — 3,451 cards in The Red Terror's colors can cause this (The Red Terror is one).
When The Red Terror attacks:
20 other cards care about it too. These are the ones with the most connections.
a creature is cast — 3,468 cards in The Red Terror's colors can cause this (The Red Terror is one).
When The Red Terror is cast:
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 The Red Terror's colors can cause this (The Red Terror is one).
When The Red Terror enters:
a creature enters the battlefield — 3,801 cards in The Red Terror's colors can cause this (The Red Terror is one).
When The Red Terror enters:
57 other cards care about it too. These are the ones with the most connections.