Exava, Rakdos Blood Witch

Vigilance Multicolored creatures you control have vigilance.

Trample Multicolored creatures you control have trample.

Flying Multicolored creatures you control have flying.

Flying Whenever you cast an instant or sorcery spell, you may switch this creature's power and toughness until end of turn.

Red creatures you control get +1/+0. White creatures you control get +0/+1. RW, Exile this enchantment: Exile all creatures you control. At the beginning of the next combat, return those cards to the battlefield under their owner's control and those creatures gain haste until end of turn.

You may tap or untap target permanent, then you may tap or untap another target permanent. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

When this enchantment enters, mill ten cards. At the beginning of your upkeep, choose a card at random in your graveyard. If it's a creature card, put it onto the battlefield. Otherwise, put it into your hand.

Trample Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)