edhseer Commander synergy, explained
Legendary Creature — Spirit
Mana cost: {4}{B}
Whenever a creature with power 1 or less is put into your graveyard from the battlefield, you may return that card to the battlefield at the beginning of the next end step if Shirei is still on the battlefield.
triggered — brings a card back
Causes: put a creature onto the battlefield, a creature leaves a graveyard.
Cares about: a creature dies, a card in a graveyard.
a Spirit creature it boosts — 166 cards in Shirei's colors can cause this.
165 other cards cause it too. These are the ones with the most connections.
a creature leaves a graveyard — 645 cards in Shirei's colors can cause this (Shirei is one).
When a creature leaves a graveyard thanks to Shirei, Shizo's Caretaker:
anything leaves a graveyard — 955 cards in Shirei's colors can cause this (Shirei is one).
When a creature leaves a graveyard thanks to Shirei, Shizo's Caretaker:
a creature dies — 1,255 cards in Shirei's colors can cause this.
1,245 other cards cause it too. These are the ones with the most connections.
a creature attacks — 3,478 cards in Shirei's colors can cause this (Shirei is one).
When Shirei, Shizo's Caretaker attacks:
45 other cards care about it too. These are the ones with the most connections.
anything attacks — 3,478 cards in Shirei's colors can cause this (Shirei is one).
When Shirei, Shizo's Caretaker attacks:
6 other cards care about it too. These are the ones with the most connections.
a creature blocks — 3,478 cards in Shirei's colors can cause this (Shirei is one).
When Shirei, Shizo's Caretaker blocks:
3 other cards care about it too. These are the ones with the most connections.
a creature deals combat damage — 3,478 cards in Shirei's colors can cause this (Shirei is one).
61 other cards care about it too. These are the ones with the most connections.
a creature is cast — 3,493 cards in Shirei's colors can cause this (Shirei is one).
When Shirei, Shizo's Caretaker is cast:
8 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 3,680 cards in Shirei's colors can cause this (Shirei is one).
a creature enters the battlefield — 3,967 cards in Shirei's colors can cause this (Shirei is one).
36 other cards care about it too. These are the ones with the most connections.