+1: Add or . If that mana is spent on a creature spell, it gains riot. (It enters with your choice of a +1/+1 counter or haste.)−3: Look at the top four cards of your library. You may reveal up to two creature cards from among them and put them into your hand. Put the rest on the bottom of your library in a random order.−8: You get an emblem with "At the...
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 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.
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.
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.
If a creature dying causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.Creature tokens you control have vigilance and lifelink.
+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...
: 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.)
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.
Flying, lifelinkWhenever The Haunt of Hightower attacks, defending player discards a card.Whenever a card is put into an opponent's graveyard from anywhere, put a +1/+1 counter on The Haunt of Hightower.
: 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.
Creatures you control get +1/+1.Creatures your opponents control get -1/-1.: Exile target card from an opponent's graveyard. If it was a creature card, you create a 1/1 white and black Spirit creature token with flying.
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.
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.
: 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.