Ally?

Enchant creature : Untap enchanted creature. : Enchanted creature gains flying until end of turn. : Enchanted creature gains shroud until end of turn. (It can't be the target of spells or abilities.) : Enchanted creature gets +1/-1 or -1/+1 until end of turn.

( can be paid with either or .) Sacrifice this creature: Add one mana of any color.

Changeling (This card is every creature type.) : Target creature gains all creature types until end of turn. : Target creature loses all creature types until end of turn.

Enchant creature Enchanted creature has ": Create a token that's a copy of this creature, except it has haste. Exile that token at the beginning of the next end step."