Menace

Players can't gain life.

Whenever another creature enters the battlefield, Rampaging Ferocidon deals 1 damage to that creature's controller.

Riot (This creature enters the battlefield with your choice of a +1/+1 counter or haste.)

Deathtouch

Other Assassins you control get +1/+1.

Whenever a player loses the game, if they were attacked this turn by an Assassin you controlled, you win the game.

Destroy target land.

Threshold — If seven or more cards are in your graveyard, instead destroy that land and Rancid Earth deals 1 damage to each creature and each player.

Flying, double team (When this creature attacks, conjure a duplicate into your hand, then both of them perpetually lose double team.)

When Rank and File enters the battlefield, green creatures get -1/-1 until end of turn.

Flying

When Rapacious Dragon enters the battlefield, create two Treasure tokens. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

Exile up to three target cards from a single graveyard.

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

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Each creature you control assigns combat damage equal to its toughness rather than its power.

Whenever Rasaad yn Bashir attacks, if you have the initiative, double the toughness of each creature you control until end of turn.

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

Whenever you cast your first spell during each of your turns, exile the top card of target opponent's library and create a Treasure token. Then you may cast the exiled card without paying its mana cost if it's a spell with mana value less than the number of artifacts you control. If you don't cast it this way, you may cast it this turn.

At the beginning of your upkeep, you lose 2 life and exile the top card of your library. You may play that card for as long as it remains exiled.

Each noncreature spell you cast from exile has conspire. (As you cast that spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose new targets for the copy.)

More Than Meets the Eye (You may cast this card converted for .)

Lifelink

Whenever you gain life, you may convert Ratchet. When you do, return target artifact card with mana value less than or equal to the amount of life you gained this turn from your graveyard to the battlefield tapped.

When Rathi Fiend enters the battlefield, each player loses 3 life.

, : Search your library for a Mercenary permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

: Add .

, , Sacrifice a land: Rath's Edge deals 1 damage to any target.

When Ravaging Horde enters the battlefield, destroy target land.

Whenever Raven Guild Master deals combat damage to a player, that player exiles the top ten cards of their library.

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

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

Sacrifice a Human: Transform Ravenous Demon. Activate only as a sorcery.

When Ravenous Lindwurm enters the battlefield, you gain 4 life.

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.

Untap target creature an opponent controls and gain control of it until end of turn. That creature gains haste until end of turn. When you lose control of the creature, tap it.

Destroy target artifact or enchantment.

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

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 the battlefield, return a black or red creature you control to its owner's hand.

When Razing Snidd enters the battlefield, each player sacrifices a land.

Metalcraft — Razorfield Rhino gets +2/+2 as long as you control three or more artifacts.

Razortide Bridge enters the battlefield tapped.

Indestructible

: Add or .

Destroy target creature that's one or more colors.

Draw X cards. For each card drawn this way, discard a card unless you sacrifice a permanent.

Creatures you control gain indestructible until end of turn. Untap each creature you control.

Fuse (You may cast one or both halves of this card from your hand.)

Enchant permanent

Vanishing 3 (This Aura enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

When Reality Acid leaves the battlefield, enchanted permanent's controller sacrifices it.

Search your library for up to four land cards with different names and reveal them. An opponent chooses two of those cards. Put the chosen cards into your graveyard and the rest into your hand. Then shuffle.

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.

Buyback—Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)

You gain 2 life.

Devoid (This card has no color.)

At the beginning of your upkeep, you lose 1 life unless you control another colorless creature.

Counter target spell that targets a permanent you control.

Choose target land. Create three tokens that are copies of it, except they're 3/3 creatures in addition to their other types and they have vigilance and menace. (They're affected by summoning sickness.)

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.

Search your library for an artifact card, reveal it, put it into your hand, shuffle, then discard a card at random. If an artifact card was discarded this way, Reckless Handling deals 2 damage to each opponent.

Target opponent reveals their hand. You may choose a nonland card from it. If you do, that player discards that card. If you don't, put two +1/+1 counters on a creature or Vehicle you control.

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.)

When Recruiter of the Guard enters the battlefield, you may search your library for a creature card with toughness 2 or less, reveal it, put it into your hand, then shuffle.

Flying

When CARDNAME dies, put a flying counter on target creature you control.

Alluring Eyes — : Goad target creature an opponent controls. That player draws a card. You add . (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Choose one —

• Counter target blue spell.

• Destroy target blue permanent.

: Exchange CARDNAME from your hand with a permanent you control on the battlefield or a spell you control on the stack. If that permanent or spell was the target of a spell or ability, change that target to CARDNAME.

Enchant creature

Enchanted creature can't be blocked by red creatures.

Enchanted creature gets +2/+2 as long as an opponent controls a red permanent.

Red Sun's Zenith deals X damage to any target. If a creature dealt damage this way would die this turn, exile it instead. Shuffle Red Sun's Zenith into its owner's library.

Menace

When Redcap Gutter-Dweller enters the battlefield, create two 1/1 black Rat creature tokens with "This creature can't block."

At the beginning of your upkeep, you may sacrifice another creature. If you do, put a +1/+1 counter on Redcap Gutter-Dweller and exile the top card of your library. You may play that card this turn.