Devour in Flames

As an additional cost to cast this spell, return a land you control to its owner’s hand.
Devour in Flames deals 5 damage to target creature or planeswalker.

Immobilizer Eldrazi

Devoid (This card has no color.)
: Each creature with toughness greater than its power can’t block this turn. ( represents colorless mana.)

Flaying Tendrils

Devoid (This card has no color.)
All creatures get -2/-2 until end of turn. If a creature would die this turn, exile it instead.

Archon of the Triumvirate

Flying
Whenever Archon of the Triumvirate attacks, detain up to two target nonland permanents your opponents control. (Until your next turn, those permanents can’t attack or block and their activated abilities can’t be activated.)

Shipbreaker Kraken

: Monstrosity 4. (If this creature isn’t monstrous, put four +1/+1 counters on it and it becomes monstrous.)
When Shipbreaker Kraken becomes monstrous, tap up to four target creatures. Those creatures don’t untap during their controllers’ untap steps for as long as you control Shipbreaker Kraken.

The Mimeoplasm

As The Mimeoplasm enters, you may exile two creature cards from graveyards. If you do, it enters as a copy of one of those cards with a number of additional +1/+1 counters on it equal to the power of the other card.

Swiftfoot Boots

Equipped creature has hexproof and haste. (It can’t be the target of spells or abilities your opponents control. It can attack and no matter when it came under your control.)
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Rite of the Raging Storm

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.”

Toxic Deluge

As an additional cost to cast this spell, pay X life.
All creatures get -X/-X until end of turn.

Ezuri’s Predation

For each creature your opponents control, create a 4/4 green Phyrexian Beast creature token. Each of those tokens fights a different one of those creatures.

Vow of Lightning

Enchant creature
Enchanted creature gets +2/+2, has first strike, and can’t attack you or planeswalkers you control.

Rite of the Raging Storm

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.”

Preordain

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Lightning Rager

Trample, haste
At the beginning of the end step, sacrifice this creature.

Swiftfoot Boots

Equipped creature has hexproof and haste. (It can’t be the target of spells or abilities your opponents control. It can attack and no matter when it came under your control.)
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Talrand, Sky Summoner

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

Ezuri’s Predation

For each creature your opponents control, create a 4/4 green Phyrexian Beast creature token. Each of those tokens fights a different one of those creatures.

Windrider Patrol

Flying
Whenever Windrider Patrol deals combat damage to a player, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Ulamog’s Reclaimer

Devoid (This card has no color.)
When Ulamog’s Reclaimer enters, you may put a card an opponent owns from exile into that player’s graveyard. If you do, return target instant or sorcery card from your graveyard to your hand.

Cryptic Cruiser

Devoid (This card has no color.)
, Put a card an opponent owns from exile into that player’s graveyard: Tap target creature.