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.)

Partner with Timin, Youthful Geist (When this creature enters, target player may put Timin into their hand from their library, then shuffle.)

Vigilance

Whenever a creature an opponent controls becomes tapped, if it isn't being declared as an attacker, put a +1/+1 counter on Rhoda, Geist Avenger.

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.

Trample

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

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

Renown 2 (When this creature deals combat damage to a player, if it isn't renowned, put two +1/+1 counters on it and it becomes renowned.)

When Rhox Oracle enters, draw a card.

Rhox Pummeler enters with a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

Rhox Pummeler has trample as long as it has a shield counter on it.

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.

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

Return up to two target creatures to their owner's hand.

Search your library and/or graveyard for a card named Mu Yanling, reveal it, and put it into your hand. If you searched your library this way, shuffle.

Reach (This creature can block creatures with flying.)

Draw a card for each Spirit you control.

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

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

When you unlock this door, mill four cards, then return up to two permanent cards from among them to your hand.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

If an opponent cast a blue spell this turn, you may pay rather than pay this spell's mana cost.

Change the target of target spell with a single target.

Flying

When Riddle Gate Gargoyle enters, you get (three energy counters).

Whenever you attack, you may pay . When you do, target creature you control gains lifelink until end of turn.

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.)

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

When Riddlemaster Sphinx enters, 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, 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.

, Remove a time counter from a permanent you control or suspended card you own: Rift Elemental gets +2/+0 until end of turn.

Reach

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

: Add .

As long as Riftstone Portal is in your graveyard, lands you control have ": Add or ."

Flying

When Riftwing Cloudskate enters, return target permanent to its owner's hand.

Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three 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.)

, Pay 2 life: The next time a source of your choice would deal damage to you this turn, prevent that damage.

Plainswalk (This creature can't be blocked as long as defending player controls a Plains.)

Whenever a creature attacks, you gain 1 life.

Choose three. You may choose the same mode more than once.

• Create a 2/2 white Knight creature token with vigilance.

• Exile target enchantment.

• You gain 5 life.

Whenever a creature blocks a black or red creature, the blocking creature gets +1/+1 until end of turn.

White creatures you control have protection from black.

Black creatures you control have protection from white.

Rigo, Streetwise Mentor enters with a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

Whenever you attack a player or planeswalker with one or more creatures with power 1 or less, draw a card.

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.)

Flying

Rimefeather Owl's power and toughness are each equal to the number of snow permanents on the battlefield.

: Put an ice counter on target permanent.

Permanents with ice counters on them are snow.

Trample

Whenever Rimehorn Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

: Target creature blocks target creature this turn if able. ( can be paid with one mana from a snow source.)

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

, : Counter target activated ability. Activate only if you control four or more snow permanents. (Mana abilities can't be targeted.)

(: Add or .)

Rimewood Falls enters tapped.

Whenever you cast a Dog spell, create a 1/1 green Cat creature token.

Whenever you cast a Cat spell, create a 1/1 white Dog creature token.

, : Rin and Seri, Inseparable deals damage to any target equal to the number of Dogs you control. You gain life equal to the number of Cats you control.

: Equipped creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's blue.

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