edhseer Commander synergy, explained
Legendary Creature — Elf Warrior
Mana cost: {2}{R}{G}
Haste
Whenever one or more creatures you control attack, add that much mana in any combination of {R} and/or {G}. Until end of turn, you don't lose this mana as steps and phases end.
triggered — adds that much mana in any combination of {r} and/or {g} mana
Causes: nothing.
Cares about: a creature attacks.
an Elf attacks — 449 cards in Grand Warlord Radha's colors can cause this (Grand Warlord Radha is one).
When Grand Warlord Radha attacks:
a nontoken Elf enters the battlefield — 452 cards in Grand Warlord Radha's colors can cause this (Grand Warlord Radha is one).
an Elf enters the battlefield — 467 cards in Grand Warlord Radha's colors can cause this (Grand Warlord Radha is one).
When Grand Warlord Radha enters:
a Warrior creature enters the battlefield — 764 cards in Grand Warlord Radha's colors can cause this (Grand Warlord Radha is one).
a Warrior enters the battlefield — 766 cards in Grand Warlord Radha's colors can cause this (Grand Warlord Radha is one).
a Warrior creature it grants types to — 765 cards in Grand Warlord Radha's colors can cause this.
764 other cards cause it too. These are the ones with the most connections.
a creature attacks — 6,617 cards in Grand Warlord Radha's colors can cause this (Grand Warlord Radha is one).
When Grand Warlord Radha attacks:
76 other cards care about it too. These are the ones with the most connections.
anything attacks — 6,617 cards in Grand Warlord Radha's colors can cause this (Grand Warlord Radha is one).
When Grand Warlord Radha attacks:
32 other cards care about it too. These are the ones with the most connections.
a creature blocks — 6,617 cards in Grand Warlord Radha's colors can cause this (Grand Warlord Radha is one).
When Grand Warlord Radha blocks:
2 other cards care about it too. These are the ones with the most connections.
a creature is cast — 6,650 cards in Grand Warlord Radha's colors can cause this (Grand Warlord Radha is one).
When Grand Warlord Radha is cast:
38 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 6,738 cards in Grand Warlord Radha's colors can cause this (Grand Warlord Radha is one).
When Grand Warlord Radha enters:
10 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 7,276 cards in Grand Warlord Radha's colors can cause this (Grand Warlord Radha is one).
When Grand Warlord Radha enters:
131 other cards care about it too. These are the ones with the most connections.