Discard a card: Ravenous Bloodseeker gets +2/-2 until end of turn.

Enrage — Whenever Ravenous Daggertooth is dealt damage, you gain 2 life.

At the beginning of your upkeep, this creature deals 1 damage to you.

Devour 3 (As this enters, you may sacrifice any number of creatures. This creature enters with three times that many +1/+1 counters on it.)

When Ravenous Gigantotherium enters, it deals X damage divided as you choose among up to X target creatures, where X is its power. Each of those creatures deals damage equal to its power to Ravenous Gigantotherium.

Sacrifice an artifact: Ravenous Intruder gets +2/+2 until end of turn.

When Ravenous Lindwurm enters, you gain 4 life.

When Ravenous Rats enters, target opponent discards a card.

When Ravenous Sailback enters, choose one —

• Ravenous Sailback gains haste until end of turn.

• Destroy target artifact or enchantment.

Ravenous Slime can't be blocked by creatures with power 2 or less.

If a creature an opponent controls would die, instead exile it and put a number of +1/+1 counters equal to that creature's power on Ravenous Slime.

Devour 3 (As this enters, you may sacrifice any number of creatures. This creature enters with three times that many +1/+1 counters on it.)

Whenever Ravenous Tyrannosaurus attacks, it deals damage equal to its power to up to one other target creature. Excess damage is dealt to that creature's controller instead.

Raven's Run Dragoon can't be blocked by black creatures.

Deathtouch

At the beginning of combat on your turn, choose an opponent at random. Raving Dead attacks that player this combat if able.

Whenever Raving Dead deals combat damage to a player, that player loses half their life, rounded down.

, : Draw a card, then discard a card.

Delirium — , : Draw a card. Activate only if there are four or more card types among cards in your graveyard.

If a nontoken creature would die, exile that card with a blood counter on it instead.

As long as an exiled creature card with a blood counter on it has flying, Rayami, First of the Fallen has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, protection, reach, trample, and vigilance.

Flying, trample

Pay 2 life, Sacrifice another creature: Search your library for a card, put that card into your hand, then shuffle.

When Razing Snidd enters, return a black or red creature you control to its owner's hand.

When Razing Snidd enters, each player sacrifices a land of their choice.

Flying

When Razor Hippogriff enters, return target artifact card from your graveyard to your hand. You gain life equal to that card's mana value.

Whenever Razorclaw Bear becomes blocked, it gets +2/+2 until end of turn.

Whenever Razorfield Ripper or equipped creature attacks, you get (an energy counter), then it gets +X/+X until end of turn, where X is the amount of you have.

Reconfigure—Pay or . (Pay or : Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

, : Return target creature with a counter on it to its owner's hand.

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

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

Black creatures can't block.

Razorkin Needlehead has first strike during your turn.

Whenever an opponent draws a card, Razorkin Needlehead deals 1 damage to them.

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

At the beginning of your upkeep, sacrifice Razormane Masticore unless you discard a card.

At the beginning of your draw step, you may have Razormane Masticore deal 3 damage to target creature.

Whenever you cast your second spell each turn, put a +1/+1 counter on Razzle-Dazzler. It can't be blocked this turn.

When Realm Razer enters, exile all lands.

When Realm Razer leaves the battlefield, return the exiled cards to the battlefield tapped under their owners' control.

Vigilance

Changeling (This card is every creature type.)

As Realmwalker enters, choose a creature type.

You may look at the top card of your library any time.

You may cast creature spells of the chosen type from the top of your library.

Flying

Morbid — At the beginning of each end step, if a creature died this turn, destroy target non-Demon creature.

Flying

Delirium — Sacrifice another creature: Reaper of Flight Moonsilver gets +2/+1 until end of turn. Activate only if there are four or more card types among cards in your graveyard.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Whenever a source deals damage to Reaper of Sheoldred, that source's controller gets a poison counter.

: Return this card from your graveyard to the battlefield tapped.

Artifacts you control have protection from each mana value among artifacts you control.

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

Vigilance

Threshold — As long as seven or more cards are in your graveyard, Reborn Hero has "When Reborn Hero dies, you may pay . If you do, return Reborn Hero to the battlefield under your control."

Sacrifice Reckless Barbarian: Add .

Surge (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)

Haste

When Reckless Bushwhacker enters, if its surge cost was paid, other creatures you control get +1/+0 and gain haste until end of turn.

Whenever Reckless Detective attacks, you may sacrifice an artifact or discard a card. If you do, draw a card and Reckless Detective gets +2/+0 until end of turn.

Whenever an artifact you control enters, Reckless Fireweaver deals 1 damage to each opponent.

First strike, haste

, Sacrifice Reckless Lackey: Draw a card and create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Haste

Reckless One's power and toughness are each equal to the number of Goblins on the battlefield.

Haste

Landfall — Whenever a land you control enters, Reckless Pyrosurfer gains battle cry until end of turn. (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn. Each instance of battle cry triggers separately.)

, Sacrifice Reckless Reveler: Destroy target artifact.

: Target player draws a card, then discards a card.

At the beginning of each upkeep, if no spells were cast last turn, transform Reckless Waif.

When this creature enters, you may destroy target artifact or enchantment.

Reclusive Taxidermist gets +3/+2 as long as there are four or more creature cards in your graveyard.

: Add one mana of any color.

Flying

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

: Look at the top four cards of your library. You may reveal a creature card with mana value 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Red Cliffs Armada can't attack unless defending player controls an Island.

Flying

Fire Breath — When Red Dragon enters, it deals 4 damage to each opponent.