edhseer Commander synergy, explained
Creature — Dragon Hydra
Mana cost: {X}{R}
Flying, haste
This creature enters with X +1/+1 counters on it.
static — arrives with counters
Causes: put a counter on anything.
Cares about: nothing.
a Dragon attacks — 474 cards in the game can cause this (Shivan Devastator is one).
When Shivan Devastator attacks:
a Dragon deals combat damage — 474 cards in the game can cause this (Shivan Devastator is one).
When Shivan Devastator deals combat damage:
a nontoken Dragon enters the battlefield — 484 cards in the game can cause this (Shivan Devastator is one).
When Shivan Devastator enters:
a Dragon enters the battlefield — 524 cards in the game can cause this (Shivan Devastator is one).
When Shivan Devastator enters:
4 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 (Shivan Devastator is one).
When Shivan Devastator gets a counter:
33 other cards care about it too. These are the ones with the most connections.
anything gets a counter — 4,415 cards in the game can cause this (Shivan Devastator is one).
8 other cards care about it too. These are the ones with the most connections.
anything attacks — 17,934 cards in the game can cause this (Shivan Devastator is one).
When Shivan Devastator attacks:
114 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 (Shivan Devastator is one).
When Shivan Devastator attacks:
182 other cards care about it too. These are the ones with the most connections.
a creature blocks — 17,934 cards in the game can cause this (Shivan Devastator is one).
When Shivan Devastator blocks:
26 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 (Shivan Devastator is one).
When Shivan Devastator enters:
304 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 (Shivan Devastator is one).
42 other cards care about it too. These are the ones with the most connections.