Exile the top seven cards of your library. Until end of turn, you may cast spells from among them.If this spell was cast from your hand, add ten mana of any one color.
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.
This spell costs less to cast, where X is the amount of life you gained this turn.TrampleAt the beginning of your end step, if you gained life this turn, you may cast Sproutback Trudge from your graveyard.
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.
Defender (This creature can't attack.)Whenever Hornet Nest is dealt damage, create that many 1/1 green Insect creature tokens with flying and deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)
FlyingThe first time you would create one or more tokens during each of your turns, you may instead choose a creature other than Esix, Fractal Bloom and create that many tokens that are copies of that creature.
HasteWhenever Laelia, the Blade Reforged attacks, exile the top card of your library. You may play that card this turn.Whenever one or more cards are put into exile from your library and/or your graveyard, put a +1/+1 counter on Laelia.
Vigilance, protection from creaturesWhenever a creature deals combat damage to you, destroy that creature. Create a 1/1 white and black Spirit creature token with flying.
Paradox Zone enters with a growth counter on it.At the beginning of your end step, double the number of growth counters on Paradox Zone. Then create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of growth counters on Paradox Zone.
MenaceWhen Ruin Grinder dies, each player may discard their hand and draw seven cards.Mountaincycling (, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)
Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)Destroy target artifact or enchantment.
Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.
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.)Return target card from your graveyard to your hand. You gain life equal to that card's mana value. Exile Healing Technique.
For each player, you choose from among the permanents that player controls an artifact, a creature, an enchantment, and a planeswalker. Then each player sacrifices all other nonland permanents they control.
Other white creatures you control get +1/+1.Other black creatures you control get +1/+1.Whenever you cast a white spell, you may tap target creature.Whenever you cast a black spell, you may destroy target creature if it's tapped.
