Flying
Whenever this creature deals combat damage to a player, exile that many cards from the top of your library. Until end of turn, you may cast spells from among those exiled cards.

Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way.
Cycling (, Discard this card: Draw a card.)
When you cycle this card, all creatures get -2/-2 until end of turn.

For each creature your opponents control, create a 4/4 green Phyrexian Beast creature token. Each of those tokens fights a different one of those creatures.

Creatures you control have haste.
Cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order. Then do it again.)

Flying
At the beginning of your upkeep, you may return target creature card from your graveyard to the battlefield.