edhseer Commander synergy, explained
Creature — Dragon
Mana cost: {6}{B}{G}
Flying
Whenever this creature enters or attacks, mill three cards.
triggered — mills a card
triggered — mills a card
Whenever one or more creature cards are put into your graveyard from your library, put one of them onto the battlefield.
triggered — brings a card back
Causes: mill a card, put anything onto the battlefield, anything leaves a graveyard.
Cares about: a creature goes to a graveyard, a card in a graveyard.
hits creature — 2,298 cards in the game can cause this (Colossal Grave-Reaver is one).
9 other cards care about it too. These are the ones with the most connections.
a Dragon attacks — 474 cards in the game can cause this (Colossal Grave-Reaver is one).
When Colossal Grave-Reaver attacks:
a Dragon deals combat damage — 474 cards in the game can cause this (Colossal Grave-Reaver is one).
When Colossal Grave-Reaver deals combat damage:
a nontoken Dragon enters the battlefield — 484 cards in the game can cause this (Colossal Grave-Reaver is one).
When Colossal Grave-Reaver enters:
a Dragon it applies enters with counters to — 488 cards in the game can cause this.
487 other cards cause it too. These are the ones with the most connections.
a Dragon enters the battlefield — 524 cards in the game can cause this (Colossal Grave-Reaver is one).
When Colossal Grave-Reaver enters:
4 other cards care about it too. These are the ones with the most connections.
anything leaves a graveyard — 2,503 cards in the game can cause this (Colossal Grave-Reaver is one).
When Colossal Grave-Reaver leaves a graveyard:
13 other cards care about it too. These are the ones with the most connections.
put a creature into a graveyard — 3,011 cards in the game can cause this.
When a creature hits the graveyard thanks to:
3,007 other cards cause it too. These are the ones with the most connections.
a card in a graveyard — 7,589 cards in the game can cause this (Colossal Grave-Reaver is one).
Colossal Grave-Reaver:
433 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 (Colossal Grave-Reaver is one).
When a card hits the graveyard thanks to Colossal Grave-Reaver:
8 other cards care about it too. These are the ones with the most connections.
put a creature onto the battlefield — 19,800 cards in the game can cause this.
When Colossal Grave-Reaver enters thanks to:
19,790 other cards cause it too. These are the ones with the most connections.
anything enters the battlefield — 26,499 cards in the game can cause this (Colossal Grave-Reaver is one).
53 other cards care about it too. These are the ones with the most connections.