edhseer Commander synergy, explained
Creature — Nightmare Horse
Mana cost: {4}{B}{R}
First strike, haste
Unleash
Causes: nothing.
Cares about: nothing.
hits creature — 2,298 cards in the game can cause this.
11 other cards care about it too. These are the ones with the most connections.
a Nightmare enters the battlefield — 151 cards in the game can cause this (Carnival Hellsteed is one).
anything attacks — 17,934 cards in the game can cause this (Carnival Hellsteed is one).
When Carnival Hellsteed attacks:
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 (Carnival Hellsteed is one).
When Carnival Hellsteed attacks:
181 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 (Carnival Hellsteed is one).
When Carnival Hellsteed blocks:
18 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 (Carnival Hellsteed is one).
When Carnival Hellsteed attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Carnival Hellsteed is one).
When Carnival Hellsteed deals combat damage:
194 other cards care about it too. These are the ones with the most connections.
a creature is cast — 18,010 cards in the game can cause this (Carnival Hellsteed is one).
When Carnival Hellsteed is cast:
85 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 (Carnival Hellsteed is one).
When Carnival Hellsteed enters:
299 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 (Carnival Hellsteed is one).
39 other cards care about it too. These are the ones with the most connections.