edhseer Commander synergy, explained
Creature — Horror Mercenary
Mana cost: {4}{B}{B}
Swampwalk
Search your library for a Mercenary permanent card with mana value 5 or less, put it onto the battlefield, then shuffle.
activated {5}, {T} — searches a library
activated {5}, {T} —
activated {5}, {T} —
Causes: search permanent mercenary , put a Mercenary permanent onto the battlefield, shuffle a library.
Cares about: nothing.
hits creature — 2,298 cards in the game can cause this (Cateran Slaver is one).
8 other cards care about it too. These are the ones with the most connections.
a permanent enters the battlefield — 152 cards in the game can cause this (Cateran Slaver is one).
When a Mercenary enters thanks to Cateran Slaver:
11 other cards care about it too. These are the ones with the most connections.
a Horror deals combat damage — 382 cards in the game can cause this (Cateran Slaver is one).
anything attacks — 17,934 cards in the game can cause this (Cateran Slaver is one).
When Cateran Slaver 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 (Cateran Slaver is one).
When Cateran Slaver 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 (Cateran Slaver is one).
When Cateran Slaver 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 (Cateran Slaver is one).
When Cateran Slaver attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Cateran Slaver is one).
When Cateran Slaver 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 (Cateran Slaver is one).
90 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 (Cateran Slaver is one).
300 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 (Cateran Slaver is one).
41 other cards care about it too. These are the ones with the most connections.