You may exert Rhet-Crop Spearmaster as it attacks. When you do, it gets +1/+0 and gains first strike until end of turn. (An exerted creature won't untap during your next untap step.)

Undergrowth — Rhizome Lurcher enters the battlefield with a number of +1/+1 counters on it equal to the number of creature cards in your graveyard.

Deathtouch, indestructible

Rhonas the Indomitable can't attack or block unless you control another creature with power 4 or greater.

: Another target creature gets +2/+0 and gains trample until end of turn.

Green creature spells you cast cost less to cast.

Whenever you cast a creature spell, target creature you control gets +2/+2 and gains trample until end of turn.

You may have Rhox assign its combat damage as though it weren't blocked.

: Regenerate Rhox. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

If you would gain life, you gain twice that much life instead.

When Rhox Meditant enters the battlefield, if you control a green permanent, draw a card.

First strike (This creature deals combat damage before creatures without first strike.)

Other Soldier creatures you control have first strike.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

Whenever Rhox Veteran attacks, tap target creature an opponent controls.

Trample, haste

Whenever an equipped creature you control other than Rhuk, Hexgold Nabber attacks or dies, you may attach all Equipment attached to that creature to Rhuk.

, : Create a 1/1 green and white Elf Warrior creature token.

, : For each creature token you control, create a token that's a copy of that creature.

: Any player may pay . If no one does, the next time a source of your choice would deal damage to you this turn, prevent that damage.

Rhystic Lightning deals 4 damage to any target unless that permanent's controller or that player pays . If they do, Rhystic Lightning deals 2 damage to the permanent or player.

Creatures you control get +0/+1 until end of turn. They get an additional +0/+2 until end of turn unless any player pays .

Unless target player pays , that player loses 5 life and you gain 5 life.

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.)

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

At the beginning of combat on your turn, the next time target creature would deal combat damage to one or more players this combat, prevent that damage. If damage is prevented this way, create that many 1/1 colorless Phyrexian Mite artifact creature tokens with toxic 1 and "This creature can't block."

Flying

: Ribbon Snake loses flying until end of turn. Any player may activate this ability.

Ribbons of Night deals 4 damage to target creature and you gain 4 life. If was spent to cast this spell, draw a card.

Toxic 2 (Players dealt combat damage by this creature also get two poison counters.)

When Ribskiff enters the battlefield, draw a card.

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Each opponent chooses a creature they control. You gain control of those creatures.

Whenever a player casts a spell that targets a single player, each player rolls a six-sided die. Change the target of that spell to the player with the lowest result. Reroll to break ties, if necessary.

When Rictus Robber enters the battlefield, if a creature died this turn, create a 2/2 blue and black Zombie Rogue creature token.

Plot (You may pay and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Whenever you cast a noncreature spell, you may have Riddleform become a 3/3 Sphinx creature with flying in addition to its other types until end of turn.

: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Flying (This creature can't be blocked except by creatures with flying or reach.)

When Riddlemaster Sphinx enters the battlefield, you may return target creature an opponent controls to its owner's hand.

Destroy target blocking creature. Creatures that were blocked by that creature this combat gain trample until end of turn.

The next spell you cast this turn can be cast as though it had flash. When you next cast a spell this turn, put X +1/+1 counters on up to one target creature, where X is the mana value of that spell.

Create a 2/2 white Knight creature token with vigilance. (Then exile this card. You may cast the creature later from exile.)

When Riders of Rohan enters the battlefield, create two 2/2 red Human Knight creature tokens with trample and haste.

Dash (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Cycling (, Discard this card: Draw a card.)

: Ridgeline Rager gets +1/+0 until end of turn.

Double strike <I>(This creature deals both first-strike and regular combat damage.)</I>

Target creature gets +2/+2 and gains horsemanship. (It can't be blocked except by creatures with horsemanship. This effect lasts indefinitely.)

Flying

Other multicolored creatures you control get +1/+0.

Whenever another multicolored creature you control dies, return it to its owner's hand at the beginning of the next end step.

Rift Bolt deals 3 damage to any target.

Suspend 1— (Rather than cast this card from your hand, you may pay and exile it with a time counter 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.)

: Add one mana of any color.

Suspend 2— (Rather than cast this card from your hand, you may pay and exile it with two 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.)

Protection from black; flanking <I>(Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)</I>

Suspend 3—

When the last time counter is removed from Riftmarked Knight while it's exiled, create a 2/2 black Knight creature token with flanking, protection from white, and haste.

When Riftsweeper enters the battlefield, choose target face-up exiled card. Its owner shuffles it into their library.

First strike

Raid — Rigging Runner enters the battlefield with a +1/+1 counter on it if you attacked this turn.

Enchant creature

Enchanted creature gets +1/+1 for each card in its controller's hand.

At the beginning of the draw step of enchanted creature's controller, that player draws an additional card.

Righteous Blow deals 2 damage to target attacking or blocking creature.

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

Destroy all tapped creatures. You gain 2 life for each creature destroyed this way.

Flying

Whenever another Angel or Cleric enters the battlefield under your control, you gain life equal to that creature's toughness.

As long as you have at least 7 life more than your starting life total, creatures you control get +2/+2.

Target blocking creature gets +7/+7 until end of turn.

Whenever you cast a modal spell, choose up to X, where X is the number of times you chose a mode for that spell —

• Exile the top card of your library. Until the end of your next turn, you may play it.

• Put a +1/+1 counter on Riku of Many Paths. It gains trample until end of turn.

• Create a 1/1 blue Bird creature token with flying.

Rile deals 1 damage to target creature you control. That creature gains trample until end of turn.

Draw a card.

Snow forestwalk (This creature can't be blocked as long as defending player controls a snow Forest.)

Enchant creature

Enchanted creature gets +2/+1 and has ": This creature can't be blocked this turn except by snow creatures." ( can be paid with one mana from a snow source.)