Sacrifice Reckless Barbarian: Add .

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.")

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

You gain life equal to the sacrificed permanent's mana value. Draw two cards.

At the beginning of your upkeep, if you control another nonland permanent, sacrifice Reclusive Wight.

Haste

Red Herring attacks each combat if able.

, Sacrifice Red Herring: Draw a card.

Redcap Melee deals 4 damage to target creature or planeswalker. If a nonred permanent is dealt damage this way, you sacrifice a land.

Whenever Red-Hot Hottie deals damage to a creature, put a third-degree-burn counter on that creature. It gains "At the beginning of each end step, sacrifice this creature unless you scream ‘Aaah' at the top of your lungs."

, : Create a token that's a copy of another target nonlegendary creature you control, except it has haste. Sacrifice it at the beginning of the next end step.

Each player sacrifices a creature. Create an X/X black Demon creature token with flying, where X is the total power of the creatures sacrificed this way.

Flying

When Rekindling Phoenix dies, create a 0/1 red Elemental creature token with "At the beginning of your upkeep, sacrifice this creature and return target card named Rekindling Phoenix from your graveyard to the battlefield. It gains haste until end of turn."

, , Sacrifice a creature: Draw a card.

As long as you control a Cleric, Relic Vial has "Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life."

Flying

Sacrifice Remorseful Cleric: Exile target player's graveyard.

Remote Farm enters tapped with two depletion counters on it.

, Remove a depletion counter from Remote Farm: Add . If there are no depletion counters on Remote Farm, sacrifice it.

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

Search your library for a basic land card, put that card onto the battlefield, then shuffle.

Draw a card at the beginning of the next turn's upkeep.

Each player sacrifices a multicolored permanent.

Exploit (When this creature enters, you may sacrifice a creature.)

When Repository Skaab exploits a creature, return target instant or sorcery card from your graveyard to your hand.

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.

Sacrifice Resistance Fighter: Prevent all combat damage target creature would deal this turn.

At the beginning of your end step, if you gained life this turn, create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

Sacrifice two Blood tokens: Transform Restless Bloodseeker. Activate only as a sorcery.

Suspend 6—

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players sacrifice creatures and discard cards the same way.

: Untap Retrofitter Foundry.

, : Create a 1/1 colorless Servo artifact creature token.

, , Sacrifice a Servo: Create a 1/1 colorless Thopter artifact creature token with flying.

, Sacrifice a Thopter: Create a 4/4 colorless Construct artifact creature token.

Flying

When Reveillark leaves the battlefield, return up to two target creature cards with power 2 or less from your graveyard to the battlefield.

Evoke (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Target creature's owner puts it on the top or bottom of their library. You create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

Return target permanent card from your graveyard to your hand. Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Whenever Rhys the Exiled attacks, you gain 1 life for each Elf you control.

, Sacrifice an Elf: Regenerate Rhys the Exiled.

Reach

, Sacrifice a land: Draw a card.

Whenever Riptide Entrancer deals combat damage to a player, you may sacrifice it. If you do, gain control of target creature that player controls. (This effect lasts indefinitely.)

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

Each player sacrifices a creature. If you sacrificed a creature this way, you may return another permanent card from your graveyard to the battlefield.

When Rishadan Cutpurse enters, each opponent sacrifices a permanent unless they pay .

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I, II — Create two 0/1 black Cleric creature tokens.

III — Create a 6/6 black Demon creature token with flying, trample, and "At the beginning of your upkeep, sacrifice another creature. If you can't, this creature deals 6 damage to you."

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

Exile target nonland permanent.

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

Creatures named Lightning Rager can't attack you or planeswalkers you control.

At the beginning of each player's upkeep, that player creates a 5/1 red Elemental creature token named Lightning Rager. It has trample, haste, and "At the beginning of the end step, sacrifice this creature."

When Rith's Grove enters, sacrifice it unless you return a non-Lair land you control to its owner's hand.

: Add , , or .

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

Gain control of target nonartifact, nonblack creature.

Choose one —

• Target opponent sacrifices a creature or planeswalker they control with the highest mana value among creatures and planeswalkers they control.

• Exile the top three cards of your library. Until your next end step, you may play those cards.

• Exile target player's graveyard.

When Riveteers Overlook enters, sacrifice it. When you do, search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

When Riveteers Requisitioner dies, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Flying, trample

When RMS Titanic deals combat damage to a player, sacrifice it and create that many Treasure tokens.

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.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)

I — Create two 3/3 green Dinosaur creature tokens.

II — Roar of the Fifth People gains "Creatures you control have ‘: Add , , or .'"

III — Search your library for a Dinosaur card, reveal it, put it into your hand, then shuffle.

IV — Dinosaurs you control gain double strike and trample until end of turn.

At the beginning of your end step, each player exiles the top card of their library. Until your next end step, each player may play the card they exiled this way.

Whenever a player plays a land from exile or casts a spell from exile, you put a +1/+1 counter on target creature and create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Whenever a player casts an instant or sorcery spell, exile it instead of putting it into a graveyard as it resolves.

, , Sacrifice Rod of Absorption: You may cast any number of spells from among cards exiled with Rod of Absorption with total mana value X or less without paying their mana costs.

Sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Ronom Serpent can't attack unless defending player controls a snow land.

When you control no snow lands, sacrifice Ronom Serpent.

Casualty 1 (As you cast this spell, you may sacrifice a creature with power 1 or greater. When you do, copy this spell and you may choose a new target for the copy.)

Tap target creature. It doesn't untap during its controller's next untap step.

Draw a card.

Destroy target artifact or enchantment.

Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

, Sacrifice Rootrunner: Put target land on top of its owner's library.

Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)

, Sacrifice Rootwater Diver: Return target artifact card from your graveyard to your hand.

Equipped creature gets +1/+2, has reach, and can't be blocked by more than one creature.

, Sacrifice Rope: Draw a card.

Equip

First strike

Raid — At end of combat on your turn, if you attacked this turn, create a Junk token for each opponent you attacked. (It's an artifact with ", Sacrifice this artifact: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")

Whenever you sacrifice a Junk, add .

Menace

Whenever Rotisserie Elemental deals combat damage to a player, put a skewer counter on Rotisserie Elemental. Then you may sacrifice it. If you do, exile the top X cards of your library, where X is the number of skewer counters on Rotisserie Elemental. You may play those cards this turn.