Mirri, Weatherlight Duelist [Secret Lair Drop Series] Wurm you may pay {0} rather

you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less

Sacrifice a creature: Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value

Set: Nintendo: Black Star Promos Type: Grass Rarity: Promo Retreat cost: Colorless

Set: Sun & Moon: Forbidden Light Type: Fighting Rarity: Promo Retreat cost: Colorless

Mirri, Weatherlight Duelist [Secret Lair Drop Series] Wurm you may pay {0} ratherSet: Secret Lair Drop Series Type: Legendary Creature Cat Warrior Rarity: Mythic Cost: {1}{G}{W} First strike Whenever Mirri, Weatherlight Duelist attacks, each opponent can't block with more than one creature this combat. As long as Mirri, Weatherlight Duelist is tapped, no more than one creature can attack you each combat.