Flying, trample
When Rakdos, the Showstopper enters the battlefield, flip a coin for each creature that isn't a Demon, Devil, or Imp. Destroy each creature whose coin comes up tails.

Creatures you control get +1/+3 until end of turn. Untap them.

Destroy all artifacts and enchantments. For each permanent destroyed this way, its controller creates a 3/3 green Centaur creature token.

Riot (This creature enters the battlefield with your choice of a +1/+1 counter or haste.)

Riot (This creature enters the battlefield with your choice of a +1/+1 counter or haste.)
When Ravager Wurm enters the battlefield, 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.

Return up to two target permanent cards from your graveyard to your hand.

Create a token that's a copy of target creature you control.

Counter target activated or triggered ability. (Mana abilities can't be targeted.)

Defender
, Sacrifice Resolute Watchdog: Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Double your life total. Target opponent loses half their life, rounded up.

Return target creature card with converted mana cost 3 or less from your graveyard to the battlefield.

Creature spells you control can't be countered.
Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.)

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 the battlefield, discard a card, then draw a card. If Rix Maadi Reveler's spectacle cost was paid, instead discard your hand, then draw three cards.

Prevent all combat damage that would be dealt this turn.

Destroy target land. Scry 2.

Reach

Rubblebelt Recluse attacks each combat if able.

Rubblebelt Runner can't be blocked by creature tokens.

When Rumbling Ruin enters the battlefield, count the number of +1/+1 counters on creatures you control. Creatures your opponents control with power less than or equal to that number can't block this turn.

When Sage's Row Savant enters the battlefield, scry 2.