Elenda, the Dusk Rose (157) [Rivals of Ixalan] Spellcaster Normal Monster Mimic copies that attack including

Mimic copies that attack including its Energy cost and anything else required in order to use that attack

you win the game instead

At the beginning of the next end step

Rarity: M #: 354 Card Type: Sorcery // Land Description: Shatterskull Smashing

Elenda, the Dusk Rose (157) [Rivals of Ixalan] Spellcaster Normal Monster Mimic copies that attack includingRarity: M #: 157 Card Type: Legendary Creature Vampire Knight P T: 1 1 Description: Lifelink Whenever another creature dies, put a +1 +1 counter on Elenda, the Dusk Rose. When Elenda dies, create X 1 1 white Vampire creature tokens with lifelink, where X is Elenda's power. Flavor: Her centuries long search is ended.