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.

Regrowth

Return target card from your graveyard to your hand.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Ancestral Recall

Mountain

Time Walk

Counterspell

Island

Meekstone

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.

Mox Emerald

Taiga

Volcanic Island

Nevinyrral's Disk

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

Sol Ring

Flashfires

Forest

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

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.

Shatter

Mox Sapphire

Power Sink

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Unsummon

Return target creature to its owner's hand.

Psionic Blast

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

Black Lotus

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

Channel

Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {C}.