All creatures get -2/-2 until end of turn. Exile all creature cards in all graveyards that were put there from the battlefield this turn. If a creature would die this turn, exile it instead.
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.
+2: Creatures you control get +1/+1 and gain haste until end of turn.−3: Domri, City Smasher deals 3 damage to any target.−8: Put three +1/+1 counters on each creature you control. Those creatures gain trample until end of turn.
Whenever an opponent casts a noncreature spell, Cindervines deals 1 damage to that player., Sacrifice Cindervines: Destroy target artifact or enchantment. Cindervines deals 2 damage to that permanent's controller.
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.
TrampleWhen Galloping Lizrog enters, you may remove any number of +1/+1 counters from among creatures you control. If you do, put twice that many +1/+1 counters on Galloping Lizrog.
Flying: Seraph of the Scales gains vigilance until end of turn.: Seraph of the Scales gains deathtouch until end of turn.Afterlife 2 (When this creature dies, create two 1/1 white and black Spirit creature tokens with flying.)
: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.)Each creature you control with a +1/+1 counter on it has flying.
: Put a +1/+1 counter on target creature you control.Whenever one or more +1/+1 counters are put on a creature you control, put that many growth counters on Simic Ascendancy.At the beginning of your upkeep, if Simic Ascendancy has twenty or more growth counters on it, you win the game.
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.
Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.Create a 4/4 red and green Beast creature token with trample.
Gutterbones enters tapped.: Return Gutterbones from your graveyard to your hand. Activate only during your turn and only if an opponent lost life this turn.
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.
Spectacle (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)Target player reveals their hand. You choose a nonland card from it. That player discards that card.
: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.)Each creature you control with a +1/+1 counter on it has trample.
Spectacle (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)When Rix Maadi Reveler enters, discard a card, then draw a card. If Rix Maadi Reveler's spectacle cost was paid, instead discard your hand, then draw three cards.
FlashEnchant creatureEnchanted creature gets +1/+2 and has vigilance.Addendum — When Sentinel's Mark enters, if you cast it during your main phase, enchanted creature gains lifelink until end of turn.
+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.