Oubliette

When Oubliette enters the battlefield, target creature phases out until Oubliette leaves the battlefield. Tap that creature as it phases in this way. (Auras and Equipment phase out with it. While permanents are phased out, they’re treated as though they don’t exist.)

Unstable Mutation

Enchant creature
Enchanted creature gets +3/+3.
At the beginning of the upkeep of enchanted creature’s controller, put a -1/-1 counter on that creature.

Contract from Below

Remove Contract from Below from your deck before playing if you’re not playing for ante.
Discard your hand, ante the top card of your library, then draw seven cards.

Volcanic Eruption

Destroy X target Mountains. Volcanic Eruption deals damage to each creature and each player equal to the number of Mountains put into a graveyard this way.

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle your library.

Psionic Blast

Psionic Blast deals 4 damage to any target and 2 damage to you.

Force of Nature

Trample (This creature can deal excess combat damage to the player or planeswalker it’s attacking.)
At the beginning of your upkeep, Force of Nature deals 8 damage to you unless you pay .

Drain Power

Target player activates a mana ability of each land they control. Then that player loses all unspent mana and you add the mana lost this way.

Righteousness

Target blocking creature gets +7/+7 until end of turn.

Contract from Below

Remove Contract from Below from your deck before playing if you’re not playing for ante.
Discard your hand, ante the top card of your library, then draw seven cards.

Animate Artifact

Enchant artifact
As long as enchanted artifact isn’t a creature, it’s an artifact creature with power and toughness each equal to its converted mana cost.

Hypnotic Specter

Flying
Whenever Hypnotic Specter deals damage to an opponent, that player discards a card at random.

Animate Artifact

Enchant artifact
As long as enchanted artifact isn’t a creature, it’s an artifact creature with power and toughness each equal to its converted mana cost.

Dwarven Warriors

: Target creature with power 2 or less can’t be blocked this turn.

Power Surge

At the beginning of each player’s upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.

Weakness

Enchant creature
Enchanted creature gets -2/-1.

Dwarven Warriors

: Target creature with power 2 or less can’t be blocked this turn.