Molten Echoes [Innistrad: Crimson Vow Commander]

Set: Innistrad: Crimson Vow Commander Type: Enchantment Rarity: Rare Cost: {2}{R}{R} As Molten Echoes enters the battlefield, choose a creature type.Whenever a nontoken creature of the chosen type enters the battlefield under your control, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.