Elder Mastery

Enchant creature
Enchanted creature gets +3/+3 and has flying.
Whenever enchanted creature deals damage to a player, that player discards two cards.

Fire-Field Ogre

First strike
Unearth {U}{B}{R} ({U}{B}{R}: 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.)

Brackwater Elemental

When this creature attacks or blocks, sacrifice it at the beginning of the next end step.
Unearth {2}{U} ({2}{U}: 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.)

Blazing Specter

Flying, haste
Whenever this creature deals combat damage to a player, that player discards a card.

Morgue Toad

Surveilling Sprite

Flying
When this creature dies, you may draw a card.

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Dimir Cutpurse

Whenever this creature deals combat damage to a player, that player discards a card and you draw a card.

Moroii

Flying
At the beginning of your upkeep, you lose 1 life.

Slavering Nulls

Whenever this creature deals combat damage to a player, if you control a Swamp, you may have that player discard a card.

Igneous Pouncer

Haste
Swampcycling {2}, mountaincycling {2} ({2}, Discard this card: Search your library for a Swamp or Mountain card, reveal it, put it into your hand, then shuffle.)

Cruel Ultimatum

Target opponent sacrifices a creature of their choice, discards three cards, then loses 5 life. You return a creature card from your graveyard to your hand, draw three cards, then gain 5 life.

Crumbling Necropolis

This land enters tapped.
{T}: Add {U}, {B}, or {R}.

Fall

Target player reveals two cards at random from their hand, then discards each nonland card revealed this way.

Rise

Return target creature card from a graveyard and target creature on the battlefield to their owners' hands.

Rise // Fall

Suffering

Pain

Pain // Suffering

Vapor Snag

Return target creature to its owner's hand. Its controller loses 1 life.

Steamcore Weird

When this creature enters, if {R} was spent to cast it, it deals 2 damage to any target.

Mountain

Grixis Charm

Choose one —
• Return target permanent to its owner's hand.
• Target creature gets -4/-4 until end of turn.
• Creatures you control get +2/+0 until end of turn.

Profane Command

Choose two —
• Target player loses X life.
• Return target creature card with mana value X or less from your graveyard to the battlefield.
• Target creature gets -X/-X until end of turn.
• Up to X target creatures gain fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.)

Terramorphic Expanse

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Swamp

Recoil

Return target permanent to its owner's hand. Then that player discards a card.

Agonizing Demise

Kicker {1}{R} (You may pay an additional {1}{R} as you cast this spell.)
Destroy target nonblack creature. It can't be regenerated. If this spell was kicked, Agonizing Demise deals damage equal to that creature's power to the creature's controller.

Jhessian Zombies

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Islandcycling {2}, swampcycling {2} ({2}, Discard this card: Search your library for an Island or Swamp card, reveal it, put it into your hand, then shuffle.)

Obelisk of Grixis

Island

Hellfire Mongrel

At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, this creature deals 2 damage to that player.

Malice

Destroy target nonblack creature. It can't be regenerated.

Spite

Spite // Malice

Ogre Savant

When this creature enters, if {U} was spent to cast it, return target creature to its owner's hand.

Deep Analysis

Target player draws two cards.
Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Shriekmaw

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
When this creature enters, destroy target nonartifact, nonblack creature.
Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Rupture Spire

This land enters tapped.
When this land enters, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.

Slave of Bolas

Gain control of target creature. Untap that creature. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.