edhseer Commander synergy, explained
Instant
Mana cost: {1}{U}
Return target nonland permanent to its owner's hand. Then that player discards a card if you control a Zombie.
on-cast — bounce
on-cast —
Causes: an artifact leaves the battlefield, a battle leaves the battlefield, a creature leaves the battlefield, an enchantment leaves the battlefield, a planeswalker leaves the battlefield, discard a card.
Cares about: nothing.
a card is discarded — 2,042 cards in the game can cause this (Compelling Deterrence is one).
When Compelling Deterrence makes a player discard a card:
51 other cards care about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (Compelling Deterrence is one).
When Compelling Deterrence is cast:
427 other cards care 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 (Compelling Deterrence 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 (Compelling Deterrence is one).
When a creature leaves the battlefield thanks to Compelling Deterrence:
25 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 (Compelling Deterrence is one).
Compelling Deterrence:
434 other cards care about it too. These are the ones with the most connections.
anything goes to a graveyard — 7,589 cards in the game can cause this (Compelling Deterrence is one).
When a card hits the graveyard thanks to Compelling Deterrence:
2 other cards care about it too. These are the ones with the most connections.
anything is cast — 31,128 cards in the game can cause this (Compelling Deterrence is one).
When Compelling Deterrence is cast:
5 other cards care about it too. These are the ones with the most connections.