Black Lotus

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

Volcanic Island

Syphon Soul

Syphon Soul deals 2 damage to each other player. You gain life equal to the damage dealt this way.

City of Brass

Whenever City of Brass becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Goblins of the Flarg

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)
When you control a Dwarf, sacrifice Goblins of the Flarg.

Fork

Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.

Sol Ring

Nevinyrral's Disk

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

Demonic Tutor

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

Mox Sapphire

Mountain

Goblin Balloon Brigade

{R}: Goblin Balloon Brigade gains flying until end of turn.

Chain Lightning

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.

Wheel of Fortune

Each player discards their hand, then draws seven cards.

Badlands

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Ancestral Recall

Time Walk

Mox Ruby

Mox Jet

Ball Lightning

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, sacrifice Ball Lightning.

Timetwister

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

Psionic Blast

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

Goblin Grenade

As an additional cost to cast this spell, sacrifice a Goblin.
Goblin Grenade deals 5 damage to any target.

Mishra's Factory

{T}: Add {C}.
{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.