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

Reckless Abandon deals 4 damage to any target.

: Double Reckless Amplimancer's power and toughness until end of turn.

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

Reckless Cohort attacks each combat if able unless you control another Ally.

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.

Roll two d12 and choose one result. Reckless Endeavor deals damage equal to that result to each creature. Then create a number of Treasure tokens equal to the other result.

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.

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Whenever Reckless Ogre attacks alone, it gets +3/+0 until end of turn.

Whenever Reckless Pangolin attacks, it gets +1/+1 until end of turn.

Reckless Rage deals 4 damage to target creature you don't control and 2 damage to target creature you control.

Haste

When Reckless Ringleader enters the battlefield, choose a creature card in your hand. It perpetually gains haste.

Destroy two target nonblack creatures. You lose 5 life.

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

Amass Zombies 3. (Put three +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

Menace (This creature can't be blocked except by two or more creatures.)

When Relentless Dead dies, you may pay . If you do, return it to its owner's hand.

When Relentless Dead dies, you may pay . If you do, return another target Zombie creature card with mana value X from your graveyard to the battlefield.

Reveal the top four cards of your library. You may put a creature card and/or a land card from among them into your hand. Put the rest into your graveyard.

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.

As an additional cost to cast this spell, exile a creature card from your graveyard.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Restless Anchorage enters the battlefield tapped.

: Add or .

: Until end of turn, Restless Anchorage becomes a 2/3 white and blue Bird creature with flying. It's still a land.

Whenever Restless Anchorage attacks, create a Map token.

Restless Bivouac enters the battlefield tapped.

: Add or .

: Restless Bivouac becomes a 2/2 red and white Ox creature until end of turn. It's still a land.

Whenever Restless Bivouac attacks, put a +1/+1 counter on target creature you control.

, : Target creature gains swampwalk until end of turn. (It can't be blocked as long as defending player controls a Swamp.)

: Regenerate Restless Bones.

: Regenerate Restless Dead.

Restless Fortress enters the battlefield tapped.

: Add or .

: Restless Fortress becomes a 1/4 white and black Nightmare creature until end of turn. It's still a land.

Whenever Restless Fortress attacks, defending player loses 2 life and you gain 2 life.

Restless Reef enters the battlefield tapped.

: Add or .

: Until end of turn, Restless Reef becomes a 4/4 blue and black Shark creature with deathtouch. It's still a land.

Whenever Restless Reef attacks, target player mills four cards.

Restless Spire enters the battlefield tapped.

: Add or .

: Until end of turn, Restless Spire becomes a 2/1 blue and red Elemental creature with "As long as it's your turn, this creature has first strike." It's still a land.

Whenever Restless Spire attacks, scry 1.

Restless Vinestalk enters the battlefield tapped.

: Add or .

: Until end of turn, Restless Vinestalk becomes a 5/5 green and blue Plant creature with trample. It's still a land.

Whenever Restless Vinestalk attacks, up to one other target creature has base power and toughness 3/3 until end of turn.

+1: Up to one target creature gets +3/+0 and gains first strike until end of turn.

−2: Rowan, Fearless Sparkmage deals 1 damage to each of up to two target creatures. Those creatures can't block this turn.

−9: Gain control of all creatures until end of turn. Untap them. They gain haste until end of turn.

Flying

Whenever you sacrifice a creature, target opponent sacrifices a creature.

Choose one —

• Target nonattacking creature gains reach and deathtouch until end of turn. Untap it.

• Target attacking creature gets +2/+2 and gains trample until end of turn.

, Sacrifice a creature: Create two Treasure tokens. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

Sacrifice three Treasures: Draw a card.

Target creature you control gets +1/+2 until end of turn. It fights target creature you don't control. (Each deals damage equal to its power to the other.)

Deathtouch

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

When Ruthless Ripper is turned face up, target player loses 2 life.

When Ruthless Technomancer enters the battlefield, you may sacrifice another creature you control. If you do, create a number of Treasure tokens equal to that creature's power.

, Sacrifice X artifacts: Return target creature card with power X or less from your graveyard to the battlefield. X can't be 0.

Enchant creature

Enchanted creature has ": The next time a source of your choice would deal damage to target creature this turn, prevent that damage."

When Sauron, the Lidless Eye enters the battlefield, gain control of target creature an opponent controls until end of turn. Untap it. It gains haste until end of turn.

: Creatures you control get +2/+0 until end of turn. Each opponent loses 2 life.

One or more target creatures become blue until end of turn.

: Exile target creature card from a graveyard. That card deals damage equal to its power to Selfless Exorcist.

Whenever a Samurai or Warrior you control attacks alone, it gains lifelink until end of turn.

Sacrifice Selfless Samurai: Another target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Flying

Sacrifice Selfless Spirit: Creatures you control gain indestructible until end of turn.

Enchant creature

Enchanted creature gets +2/+2.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Serpent of the Endless Sea's power and toughness are each equal to the number of Islands you control.

Serpent of the Endless Sea can't attack unless defending player controls an Island.

Commander creatures you own have ": This creature becomes a copy of another target creature."

Prevent the next 3 damage that would be dealt to any target this turn.

At the beginning of your upkeep and whenever you cast a black spell, put a charge counter on Shrine of Limitless Power.

, , Sacrifice Shrine of Limitless Power: Target player discards a card for each charge counter on Shrine of Limitless Power.

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Sightless Brawler can't attack alone.

Enchanted creature gets +3/+2 and can't attack alone.

Until end of turn, target creature you control gets +3/+3 and other creatures you control get +1/+1.

All lands gain shroud until end of turn. (They can't be the targets of spells or abilities.)

Draw a card.

Enchant creature

Whenever enchanted creature attacks, reveal cards from the top of your library until you reveal an Aura card. You may put that card onto the battlefield. If you don't, put it into your hand. Put the rest on the bottom of your library in a random order.