Whenever Riptide Pilferer deals combat damage to a player, that player discards a card.

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

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

When Riptide Survivor is turned face up, discard two cards, then draw three cards.

Put target creature card from a graveyard onto the battlefield under your control. That creature is a black Zombie in addition to its other colors and types.

Create two 3/3 green Insect creature tokens. You gain 2 life.

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

Each player sacrifices a creature. If you sacrificed a creature this way, you may return another permanent card from your graveyard to the battlefield.

Whenever Risen Reef or another Elemental you control enters, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.

When Rishadan Footpad enters, each opponent sacrifices a permanent unless they pay .

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

Awaken 3— (If you cast this spell for , also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

As an additional cost to cast this spell, sacrifice a nonland permanent.

Exile target nonland permanent.

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

Creatures named Lightning Rager can't attack you or planeswalkers you control.

At the beginning of each player's upkeep, that player creates a 5/1 red Elemental creature token named Lightning Rager. It has trample, haste, and "At the beginning of the end step, sacrifice this creature."

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

, Sacrifice Rith's Attendant: Add .

When Rith's Grove enters, sacrifice it unless you return a non-Lair land you control to its owner's hand.

: Add , , or .

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.

: Add .

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

: Regenerate River Boa.

River Sneak can't be blocked.

Whenever another Merfolk you control enters, River Sneak gets +1/+1 until end of turn.

Flying

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Choose one —

• Target opponent sacrifices a creature or planeswalker they control with the highest mana value among creatures and planeswalkers they control.

• Exile the top three cards of your library. Until your next end step, you may play those cards.

• Exile target player's graveyard.

When Riveteers Requisitioner dies, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

: Add .

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

: Add .

, , Sacrifice Roadside Reliquary: Draw a card if you control an artifact. Draw a card if you control an enchantment.

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.)

Landfall — Whenever a land you control enters, put a +1/+1 counter on target creature or Vehicle you control.

Channel — , Discard Roaring Earth: Put X +1/+1 counters on target land you control. It becomes a 0/0 green Spirit creature with haste. It's still a land.

Roast deals 5 damage to target creature without flying.

Return target artifact, enchantment, or legendary card from your graveyard to your hand. (Then exile this card. You may cast the creature later from exile.)

At the beginning of each end step, if an artifact entered the battlefield under your control this turn,

Augment (, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Flying

Whenever Roc Charger attacks, target attacking creature without flying gains flying until end of turn.

Roc Hatchling enters with four shell counters on it.

At the beginning of your upkeep, remove a shell counter from Roc Hatchling.

As long as Roc Hatchling has no shell counters on it, it gets +3/+2 and has flying.

When Rocco, Cabaretti Caterer enters, if you cast it, you may search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

: Rockcaster Platoon deals 2 damage to each creature with flying and each player.

Super haste (This may attack the turn before you cast it. (You may put this card from your hand onto the battlefield tapped and attacking during your declare attackers step. If you do, you lose the game at the beginning of your next turn's end step unless you pay this card's mana cost during that turn.))

Rockslide Ambush deals damage to target creature equal to the number of Mountains you control.

Whenever you cast an instant, sorcery, or Wizard spell, Rockslide Sorcerer deals 1 damage to any target.

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

First strike, menace, trample

Partner (You can have two commanders if both have partner.)

For each color, return up to one target creature card of that color from your graveyard to your hand.

: Add .

, : Target creature can't be blocked this turn.

Put target creature on top of its owner's library.

Awaken 4— (If you cast this spell for , also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Return up to two target creatures your opponents control to their owners' hands. Target player draws two cards.

Visit — Creatures you control get +2/+0 until end of turn.

Lights — 2, 6

Visit — Creatures you control get +2/+0 until end of turn.

Lights — 4, 6

All creatures get +2/-2 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.)

When Rona, Disciple of Gix enters, you may exile target historic card from your graveyard. (Artifacts, legendaries, and Sagas are historic.)

You may cast spells from among cards exiled with Rona.

, : Exile the top card of your library.

Kicker (You may pay an additional as you cast this spell.)

Return target creature or planeswalker you don't control to its owner's hand. If this spell was kicked, put that permanent on the bottom of its owner's library instead.

Equipped creature gets +2/+1.

Whenever a creature you control enters, attach Ronin Warclub to that creature.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Kicker (You may pay an additional as you cast this spell.)

When Roost of Drakes enters, if it was kicked, create a 2/2 blue Drake creature token with flying.

Whenever you cast a kicked spell, create a 2/2 blue Drake creature token with flying.

This spell can't be countered.

Sliver spells can't be countered.

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