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.

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.

Dwarven Warriors

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

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.

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.

Unsummon

Return target creature to its owner’s hand.

Righteousness

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

Benalish Hero

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature’s combat damage, not its controller, among any of the creatures it’s being blocked by or is blocking.)

Drain Life

Spend only black mana on X.
Drain Life deals X damage to any target. You gain life equal to the damage dealt, but not more life than the player’s life total before the damage was dealt, the planeswalker’s loyalty before the damage was dealt, or the creature’s toughness.

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.

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.

Weakness

Enchant creature
Enchanted creature gets -2/-1.

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 .

Demonic Tutor

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