Whenever another creature you control dies, you get an experience counter.At the beginning of your end step, choose target creature card in your graveyard. If that card's mana value is less than or equal to the number of experience counters you have, return it to the battlefield. Otherwise, put it into your hand.
Untap all creatures you control and all creatures target opponent controls. You and that opponent each gain control of all creatures the other controls until end of turn. Those creatures gain haste until end of turn.
Flying, first strikeIf a source would deal damage to an opponent or a permanent an opponent controls, that source deals double that damage to that player or permanent instead.If a source would deal damage to you or a permanent you control, prevent half that damage, rounded up.
Whenever a spell or ability an opponent controls destroys a noncreature permanent you control, you may destroy target permanent that opponent controls.
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.