edhseer Commander synergy, explained
Legendary Creature — Human Avatar
Mana cost: {3}{R}{R}{R}
Whenever a player attacks, add six {R}. Until end of combat, you don't lose this mana as steps end.
triggered — adds 6 mana
Target creature gets +3/+0 until end of turn.
activated {R}{R}{R} — gives +3/+0
What a deck led by this card wants
Causes: nothing.
Cares about: anything attacks.
hits creature — 2,298 cards in the game can cause this.
11 other cards care about it too. These are the ones with the most connections.
a Human enters the battlefield — 4,639 cards in the game can cause this (Avatar Roku is one).
When Avatar Roku, Firebender enters:
2 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 (Avatar Roku is one).
When Avatar Roku, Firebender attacks:
110 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 (Avatar Roku is one).
When Avatar Roku, Firebender 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 (Avatar Roku is one).
When Avatar Roku, Firebender blocks:
20 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 (Avatar Roku is one).
When Avatar Roku, Firebender attacks:
a creature enters the battlefield — 19,800 cards in the game can cause this (Avatar Roku is one).
When Avatar Roku, Firebender enters:
300 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 (Avatar Roku is one).
42 other cards care about it too. These are the ones with the most connections.