Whenever a nontoken creature you control enters, flip a coin until you lose a flip. For each flip you won, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.
When Mesmerizing Benthid enters, create two 0/2 blue Illusion creature tokens with "Whenever this creature blocks a creature, that creature doesn't untap during its controller's next untap step."Mesmerizing Benthid has hexproof as long as you control an Illusion.
Whenever a creature you control with power 1 or less attacks, Cavalcade of Calamity deals 1 damage to the player or planeswalker that creature is attacking.
Spectacle (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)Flying, trampleAt the beginning of your upkeep, Spawn of Mayhem deals 1 damage to each player. Then if you have 10 or less life, put a +1/+1 counter on Spawn of Mayhem.
Riot (This creature enters with your choice of a +1/+1 counter or haste.)Flying: Skarrgan Hellkite deals 2 damage divided as you choose among one or two targets. Activate only if Skarrgan Hellkite has a +1/+1 counter on it.
+1: Until end of turn, whenever a creature you control deals combat damage to a player, put a loyalty counter on Dovin, Grand Arbiter.−1: Create a 1/1 colorless Thopter artifact creature token with flying. You gain 1 life.−7: Look at the top ten cards of your library. Put three of them into your hand and the rest on the bottom of your library in a random...
+1: Exile up to two target cards from a single graveyard. You gain 2 life if at least one creature card was exiled this way.−1: Exile target nonland permanent with mana value 1 or less.−5: Kaya, Orzhov Usurper deals damage to target player equal to the number of cards that player owns in exile and you gain that much life.
Flying, trampleWhen Rakdos, the Showstopper enters, flip a coin for each creature that isn't a Demon, Devil, or Imp. Destroy each creature whose coin comes up tails.
When Biogenic Ooze enters, create a 2/2 green Ooze creature token.At the beginning of your end step, put a +1/+1 counter on each Ooze you control.: Create a 2/2 green Ooze creature token.
During your turn, spells your opponents cast cost more to cast and abilities your opponents activate cost more to activate unless they're mana abilities.Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)
Each creature you control assigns combat damage equal to its toughness rather than its power.Creatures you control can attack as though they didn't have defender.: Untap target creature.
, : Target player mills a card. (They put the top card of their library into their graveyard.)Tap four untapped Advisors you control: Target player mills twelve cards.A deck can have any number of cards named Persistent Petitioners.
When Plaza of Harmony enters, if you control two or more Gates, you gain 3 life.: Add .: Add one mana of any type that a Gate you control could produce.
Creatures you control gain indestructible until end of turn.Addendum — If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.
Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Emergency Powers.Addendum — If you cast this spell during your main phase, you may put a permanent card with mana value 7 or less from your hand onto the battlefield.
Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls.Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.
: Add one mana of any type that a land you control could produce. If Incubation Druid has a +1/+1 counter on it, add three mana of that type instead.: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)
Whenever an opponent activates an ability of an artifact, creature, or land that isn't a mana ability, Immolation Shaman deals 1 damage to that player.: Immolation Shaman gets +3/+3 and gains menace until end of turn.
Whenever a nontoken creature you control enters, flip a coin until you lose a flip. For each flip you won, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.
Return target creature card with mana value 3 or less from your graveyard to the battlefield.Double your life total. Target opponent loses half their life, rounded up.
Riot (This creature enters with your choice of a +1/+1 counter or haste.)When Ravager Wurm enters, choose up to one —• Ravager Wurm fights target creature you don't control.• Destroy target land with an activated ability that isn't a mana ability.
: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.)Whenever one or more +1/+1 counters are put on Benthic Biomancer, draw a card, then discard a card.
When Deputy of Detention enters, exile target nonland permanent an opponent controls and all other nonland permanents that player controls with the same name as that permanent until Deputy of Detention leaves the battlefield.
When you cast this spell, you gain half X life and draw half X cards. Round down each time.Flying, trampleHydroid Krasis enters with X +1/+1 counters on it.
