Eythinea, Enchanting City

When Eythinea, Enchanting City enters the battlefield, exile target creature until it leaves the battlefield.
{t}: Add {2}
{3}: Create a 3/3 Elf Warrior
When Eythinea, Enchanting City leaves the battlefield, if you control ten or more Elf
creatures, deal X damage to any target, where X
is the number of Elf creatures you control.