Underground Sea

Time Walk

Ancestral Recall

Hypnotic Specter

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

Sol Ring

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Tundra

Mox Jet

Mind Twist

Target player discards X cards at random.

Scrubland

Savannah Lions

Dark Ritual

Black Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)

Howl from Beyond

Target creature gets +X/+0 until end of turn.

Mox Pearl

Black Lotus

{T}, Sacrifice this artifact: Add three mana of any one color.

Lord of the Pit

Flying, trample
At the beginning of your upkeep, sacrifice a creature other than this creature. If you can't, this creature deals 7 damage to you.