edhseer Commander synergy, explained
Instant
Mana cost: {2}{R}
Creatures you control get +2/+0 until end of turn.
on-cast — gives +2/+0
Whenever a nontoken creature you control dies this turn, create a 1/1 black Rat creature token with "This token can't block."
triggered — makes a token
Causes: create a Rat creature token, put a Rat creature token onto the battlefield.
Cares about: a nontoken creature dies.
a Rat enters the battlefield — 186 cards in the game can cause this (Gnawing Crescendo is one).
When a Rat enters thanks to Gnawing Crescendo:
1 other card cares about it too. These are the ones with the most connections.
provide a creature to sacrifice — 2,720 cards in the game can cause this.
2,717 other cards cause it too. These are the ones with the most connections.
a creature token enters the battlefield — 2,799 cards in the game can cause this (Gnawing Crescendo is one).
When a Rat enters thanks to Gnawing Crescendo:
a creature token is created — 2,799 cards in the game can cause this (Gnawing Crescendo is one).
3 other cards care about it too. These are the ones with the most connections.
a token enters the battlefield — 3,710 cards in the game can cause this (Gnawing Crescendo is one).
When a Rat enters thanks to Gnawing Crescendo:
3 other cards care about it too. These are the ones with the most connections.
a token is created — 3,711 cards in the game can cause this (Gnawing Crescendo is one).
When Gnawing Crescendo makes a Rat token:
17 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 (Gnawing Crescendo is one).
When Gnawing Crescendo is cast:
427 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 (Gnawing Crescendo is one).
When a Rat enters thanks to Gnawing Crescendo:
327 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 (Gnawing Crescendo is one).
When a Rat enters thanks to Gnawing Crescendo:
34 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 (Gnawing Crescendo is one).
When Gnawing Crescendo is cast:
5 other cards care about it too. These are the ones with the most connections.