edhseer Commander synergy, explained
Creature — Human Soldier // Sorcery — Adventure
Mana cost: {1}{B} // {R}
This creature enters with a +1/+1 counter on it for each creature that died under your control this turn.
static — arrives with counters
Target creature you control deals damage equal to its power to any other target. Then sacrifice it.
on-cast — deals its power damage
on-cast —
Causes: put a counter on anything, anything deals noncombat damage, sacrifice a creature, a creature dies.
Cares about: a creature to sacrifice.
anything leaves the battlefield — 1 card in the game can cause this (Callous Sell-Sword is one).
an Adventure sorcery is cast — 77 cards in the game can cause this (Callous Sell-Sword is one).
a Human gets a counter — 326 cards in the game can cause this (Callous Sell-Sword is one).
a Soldier creature enters the battlefield — 1,279 cards in the game can cause this (Callous Sell-Sword is one).
a nontoken creature is sacrificed — 1,714 cards in the game can cause this (Callous Sell-Sword is one).
When a creature is sacrificed thanks to Callous Sell-Sword // Burn Together:
a creature is sacrificed — 1,741 cards in the game can cause this (Callous Sell-Sword is one).
When a creature is sacrificed thanks to Callous Sell-Sword // Burn Together:
19 other cards care about it too. These are the ones with the most connections.
a creature gets a counter — 2,691 cards in the game can cause this (Callous Sell-Sword is one).
When Callous Sell-Sword // Burn Together gets a counter:
33 other cards care about it too. These are the ones with the most connections.
a creature in a graveyard — 2,769 cards in the game can cause this (Callous Sell-Sword is one).
Callous Sell-Sword // Burn Together puts cards into the graveyard that:
799 other cards care about it too. These are the ones with the most connections.
a nontoken creature dies — 2,769 cards in the game can cause this (Callous Sell-Sword is one).
When Callous Sell-Sword // Burn Together dies:
60 other cards care about it too. These are the ones with the most connections.
a creature dies — 2,830 cards in the game can cause this (Callous Sell-Sword is one).
460 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 (Callous Sell-Sword is one).
34 other cards care about it too. These are the ones with the most connections.
a permanent is put into a graveyard from the battlefield — 5,057 cards in the game can cause this (Callous Sell-Sword is one).
22 other cards care about it too. These are the ones with the most connections.
a card in a graveyard — 7,589 cards in the game can cause this (Callous Sell-Sword is one).
443 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 (Callous Sell-Sword is one).
225 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 (Callous Sell-Sword is one).
When Callous Sell-Sword // Burn Together enters:
470 other cards care about it too. These are the ones with the most connections.