Shuffle your library. Then exile the top card of your library. Until end of turn, you may play that card without paying its mana cost.Storm (When you cast this spell, copy it for each spell cast before it this turn.)
Whenever an opponent attacks you and/or one or more planeswalkers you control, exile the top card of that player's library. You may play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast it.
, : Choose another target creature. Put a number of +1/+1 counters on it equal to the amount of life you gained this turn or the amount of life you lost this turn, whichever is greater. Activate only as a sorcery.
Each other creature you control enters with a number of additional +1/+1 counters on it equal to Master Biomancer's power and as a Mutant in addition to its other types.
Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.)Create a token that's a copy of target permanent you control.
FlyingWhen Angel of Serenity enters, you may exile up to three other target creatures from the battlefield and/or creature cards from graveyards.When Angel of Serenity leaves the battlefield, return the exiled cards to their owners' hands.
When Author of Shadows enters, exile all opponents' graveyards. Choose a nonland card exiled this way. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.