Target creature you control gains protection from the color of your choice until end of turn. Clash with an opponent. If you win, return Redeem the Lost to its owner's hand. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Trample

Whenever an enchantment you control enters, you may pay . If you do, return Redtooth Vanguard from your graveyard to your hand.

Exile target nonland permanent. Its controller creates a 3/2 red and white Spirit creature token.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Vigilance

When Referee Squad enters, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Whenever you cast an instant or sorcery spell that targets only Reflective Golem, you may pay . If you do, copy that spell. You may choose new targets for the copy.

If an opponent cast a red instant or sorcery spell this turn, you may pay rather than pay this spell's mana cost.

Prevent the next 3 damage that a source of your choice would deal to you and/or permanents you control this turn. If damage is prevented this way, Refraction Trap deals that much damage to any target.

Return target artifact card from your graveyard to the battlefield.

Flying

At the beginning of each end step, if you gained life this turn, create a 1/1 black Bat creature token with flying.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)

: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Return target card from your graveyard to your hand.

Destroy all green creatures or all white creatures. They can't be regenerated. You lose 2 life for each creature that died this way.

Haste

At the beginning of your end step, return Reinforced Ronin to its owner's hand.

Channel — , Discard Reinforced Ronin: Draw a card.

: Put target card from a graveyard on the bottom of its owner's library.

Counter target spell. If that spell's mana value was 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Regenerate target permanent.

Release the Ants deals 1 damage to any target. Clash with an opponent. If you win, return Release the Ants to its owner's hand. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

: Relentless Hunter gets +1/+1 and gains trample until end of turn.

Relentless Rats gets +1/+1 for each other creature on the battlefield named Relentless Rats.

A deck can have any number of cards named Relentless Rats.

Whenever you cast an instant, sorcery, or Wizard spell, put a charge counter on Relic Amulet.

, , Remove all charge counters from Relic Amulet: It deals that much damage to target creature.

Enchant artifact

Enchanted artifact has "At the beginning of your upkeep, you lose 2 life."

Enchant artifact an opponent controls

Whenever enchanted artifact becomes tapped, choose one —

• Relic Bind deals 1 damage to target player or planeswalker.

• Target player gains 1 life.

Relic Golem can't attack or block unless an opponent has eight or more cards in their graveyard.

, : Target player mills two cards. (They put the top two cards of their library into their graveyard.)

: Target player exiles a card from their graveyard.

, Exile Relic of Progenitus: Exile all graveyards. Draw a card.

You may cast Relic Ward as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.

Enchant artifact

Enchanted artifact has shroud. (It can't be the target of spells or abilities.)

You have no maximum hand size.

: Add .

Target player shuffles their graveyard into their library.

You may cast Dragon spells and artifact spells as though they had flash.

Choose a Background (You can have a Background as a second commander.)

Remove up to five counters from target permanent.

Draw a card.

This spell can't be countered.

Rending Volley deals 4 damage to target white or blue creature.

Revolt — When Renegade Rallier enters, if a permanent you controlled left the battlefield this turn, return target permanent card with mana value 2 or less from your graveyard to the battlefield.

At the beginning of your end step, goad up to one target creature you don't control and put a +1/+1 counter on Renegade Silent. Renegade Silent phases out. (Treat it and anything attached to it as though they don't exist until your next turn.)

First strike

Whenever Renegade Warlord attacks, each other attacking creature gets +1/+0 until end of turn.

You gain 6 life.

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

When you cycle Renewed Faith, you may gain 2 life.

Shuffle any number of target creature cards from your graveyard into your library.

: Add . Spend this mana only to cast artifact spells or activate abilities of artifacts.

, : Search your library for a card named Heart-Piercer Bow or Vial of Dragonfire, reveal it, put it into your hand, then shuffle.

Destroy target creature with power or toughness 4 or greater.

Prevent all damage that would be dealt this turn by non-Human sources.

: Add one mana of any color.

At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with ": Add one mana of any color."

Return target spell to its owner's hand.

Draw a card.

Trample

When Reptilian Recruiter enters, choose target creature. If that creature's power is 2 or less or if you control another Lizard, gain control of that creature until end of turn, untap it, and it gains haste until end of turn.

Return target creature to its owner's hand.

Draw a card.

Spree (Choose one or more additional costs.)

+ — Destroy target artifact.

+ — Destroy target enchantment.

+ — Put a +1/+1 counter on each creature target player controls.

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

Choose target creature card in your graveyard. Return that card and the sacrificed card to the battlefield under your control at the beginning of your next upkeep. Exile Rescue from the Underworld.

Flash

Natural Shelter — When Rescuer Chwinga enters, you may return another permanent you control to its owner's hand.

Draw a card. Clash with an opponent. If you win, return Research the Deep to its owner's hand. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Haste, protection from Coyotes

: Resilient Roadrunner can't be blocked this turn except by creatures with haste.

Target creature gets +2/+2 until end of turn.

Equipped creatures you control gain indestructible until end of turn.

When Resistance Squad enters, if you control another Human, draw a card.

Rally — Whenever Resolute Blademaster or another Ally you control enters, creatures you control gain double strike until end of turn.

: Resolute Rider gains lifelink until end of turn.

: Resolute Rider gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)