Alien Queen, Matriarch

At the beginning of your end step, create a colourless artifact token with "{t}, Sacrifice this artifact, sacrifice target creature under your control: Create a copy of the sacrificed creature, except it's a 4/4 black alien with Haste in addition to its' other types".
Wrath of the hive — At the beginning of combat on your turn you may exile a creature card from your graveyard. If you do, creatures under your control gain +X/+X until end of turn. Where X is the amount of Alien creatures unde