Pestilence

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.
{B}: Pestilence deals 1 damage to each creature and each player.

Sol Ring

Mox Jet

Dark Ritual

Badlands

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Underground Sea

Counterspell

Timetwister

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Demonic Tutor

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

Black Lotus

{T}, Sacrifice Black Lotus: Add three mana of any one color.

Time Walk

Wheel of Fortune

Each player discards their hand, then draws seven cards.

Mox Ruby

Nevinyrral's Disk

Nevinyrral's Disk enters tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Mox Sapphire

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.