Choose an order for artifacts, creatures, and lands. Each player sacrifices one permanent of their choice of the first type, sacrifices two of their choice of the second type, then sacrifices three of their choice of the third type.

Discard any number of cards at random. Creatures you control get +1/+0 until end of turn for each card discarded this way.

Discard any number of cards. Counter target spell unless its controller pays for each card discarded this way.

Flying

Whenever Rith, the Awakener deals combat damage to a player, you may pay . If you do, choose a color, then create a 1/1 green Saproling creature token for each permanent of that color.

Choose one —

• Destroy target nonbasic land.

• Create three 1/1 green Saproling creature tokens.

• Prevent all damage a source of your choice would deal this turn.

Return target artifact card from your graveyard to your hand.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

If a land is tapped for mana, it produces colorless mana instead of any other type.

Exile target creature card from your graveyard. Create a black Zombie creature token. Its power is equal to that card's power and its toughness is equal to that card's toughness.

Choose two target creatures that share no creature types. Those creatures fight each other. (Each deals damage equal to its power to the other.)

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

River Delta doesn't untap during your untap step if it has a depletion counter on it.

At the beginning of your upkeep, remove a depletion counter from River Delta.

: Add or . Put a depletion counter on River Delta.

Whenever River Kelpie or another permanent enters from a graveyard, draw a card.

Whenever a player casts a spell from a graveyard, draw a card.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

: Add . If you played a land this turn, add instead.

If was spent to cast this spell, return up to one target creature to its owner's hand. If was spent to cast this spell, target player reveals their hand, you choose a nonland card from it, then that player discards that card. (Do both if was spent.)

: Add .

, : Each player discards a card. Activate only as a sorcery.

Each player returns all artifact cards from their graveyard to the battlefield.

Choose one —

• Creatures you control get +1/+1 until end of turn.

• Untap all creatures you control.

Entwine (Choose both if you pay the entwine cost.)

At the beginning of your upkeep, return a creature you control to its owner's hand.

Flying

Whenever Robber Fly becomes blocked, defending player discards all the cards in their hand, then draws that many cards.

Defender (This creature can't attack.)

When Roc Egg dies, create a 3/3 white Bird creature token with flying.

Flying

Whenever Rock Basilisk blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat.

You can't cast Rock Jockey if you've played a land this turn.

You can't play lands if you've cast Rock Jockey this turn.

Rock Slide deals X damage divided as you choose among any number of target attacking or blocking creatures without flying.

: Rocket Launcher deals 1 damage to any target. Destroy Rocket Launcher at the beginning of the next end step. Activate only if you've controlled Rocket Launcher continuously since the beginning of your most recent turn.

Double strike (This creature deals both first-strike and regular combat damage.)

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

First strike

Whenever another creature dies, you may put a +1/+1 counter on Rockslide Elemental.

, : Rod of Ruin deals 1 damage to any target.

: Add for each Forest you control.

When Rogue Elephant enters, sacrifice it unless you sacrifice a Forest.

Flying

At the beginning of your upkeep, put a wage counter on Rogue Skycaptain. You may pay for each wage counter on it. If you don't, remove all wage counters from Rogue Skycaptain and an opponent gains control of it.

At the beginning of your upkeep, you may pay . If you don't, tap Rohgahh of Kher Keep and all creatures named Kobolds of Kher Keep, then an opponent gains control of them.

Creatures you control named Kobolds of Kher Keep get +2/+2.

Roiling Horror's power and toughness are each equal to your life total minus the life total of an opponent with the most life.

Suspend X—. X can't be 0. (Rather than cast this card from your hand, you may pay and exile it with X time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

Whenever a time counter is removed from Roiling Horror while it's exiled, target player loses 1 life and you gain 1 life.

All creatures get +2/-2 until end of turn.

Destroy target land. If was spent to cast this spell, all creatures get -1/-1 until end of turn.

Rolling Temblor deals 2 damage to each creature without flying.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

Haste

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Protection from snow

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Sacrifice Ronom Unicorn: Destroy target enchantment.

You may pay rather than pay the mana cost for Zombie creature spells you cast.

Mercenaries don't untap during their controllers' untap steps.

, , Sacrifice Root Greevil: Destroy all enchantments of the color of your choice.

This spell can't be countered.

Sliver spells can't be countered.

Populate. Creatures you control gain indestructible until end of turn. (To populate, create a token that's a copy of a creature token you control.)

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

When Rooting Kavu dies, you may exile it. If you do, shuffle all creature cards from your graveyard into your library.

, Sacrifice Rootrunner: Put target land on top of its owner's library.

Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)

As Roots of Life enters, choose Island or Swamp.

Whenever a land of the chosen type an opponent controls becomes tapped, you gain 1 life.

Sacrifice a Forest: Regenerate Rootwater Alligator.