edhseer Commander synergy, explained
Creature — Nightmare Horror
Mana cost: {1}{B}{B}
Swampwalk
When this creature enters, exile target green or white creature an opponent controls.
triggered —
When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.
triggered — blinks a permanent
Causes: exile a creature, a creature leaves the battlefield, put a creature onto the battlefield.
Cares about: nothing.
a Nightmare enters the battlefield — 151 cards in the game can cause this (Slithery Stalker is one).
a Horror deals combat damage — 382 cards in the game can cause this (Slithery Stalker is one).
a creature is exiled — 1,003 cards in the game can cause this (Slithery Stalker is one).
When a creature is exiled thanks to Slithery Stalker:
4 other cards care about it too. These are the ones with the most connections.
anything is exiled — 2,497 cards in the game can cause this (Slithery Stalker is one).
1 other card cares about it too. These are the ones with the most connections.
a nontoken creature leaves the battlefield — 4,133 cards in the game can cause this (Slithery Stalker is one).
3 other cards care about it too. These are the ones with the most connections.
a creature leaves the battlefield — 4,238 cards in the game can cause this (Slithery Stalker is one).
When a creature leaves the battlefield thanks to Slithery Stalker:
27 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 (Slithery Stalker is one).
When Slithery Stalker attacks:
113 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 (Slithery Stalker is one).
When Slithery Stalker attacks:
180 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 (Slithery Stalker is one).
When Slithery Stalker 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 (Slithery Stalker is one).
When Slithery Stalker attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Slithery Stalker is one).
When Slithery Stalker 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 (Slithery Stalker is one).
When Slithery Stalker is cast:
86 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 (Slithery Stalker is one).
When Slithery Stalker enters:
297 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 (Slithery Stalker is one).
42 other cards care about it too. These are the ones with the most connections.