edhseer Commander synergy, explained
Legendary Creature — Alien Hero
Mana cost: {3}{R}
Flying
At the beginning of your first main phase, add {W}{U}{B}{R}{G}. This mana can't be spent to cast spells from your hand.
triggered — adds 5 mana
What a deck led by this card wants
Causes: nothing.
Cares about: nothing.
a nontoken Hero enters the battlefield — 358 cards in the game can cause this (Karolina Dean is one).
a Hero enters the battlefield — 375 cards in the game can cause this (Karolina Dean is one).
When Karolina Dean, Runaway enters:
anything attacks — 17,934 cards in the game can cause this (Karolina Dean is one).
When Karolina Dean, Runaway attacks:
111 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 (Karolina Dean is one).
When Karolina Dean, Runaway attacks:
180 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 (Karolina Dean is one).
When Karolina Dean, Runaway blocks:
18 other cards care about it too. These are the ones with the most connections.
a nontoken creature attacks — 17,934 cards in the game can cause this (Karolina Dean is one).
When Karolina Dean, Runaway attacks:
a creature deals combat damage — 17,934 cards in the game can cause this (Karolina Dean is one).
When Karolina Dean, Runaway deals combat damage:
194 other cards care about it too. These are the ones with the most connections.
a creature is cast — 18,010 cards in the game can cause this (Karolina Dean is one).
When Karolina Dean, Runaway is cast:
81 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 (Karolina Dean is one).
When Karolina Dean, Runaway enters:
297 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 (Karolina Dean is one).
39 other cards care about it too. These are the ones with the most connections.