Counterspell

Volcanic Island

Tropical Island

Black Lotus

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

Ancestral Recall

Mox Emerald

Demonic Tutor

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

Red Elemental Blast

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

Mox Jet

Mox Ruby

Timetwister

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

Mox Pearl

Mox Sapphire

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.

Channel

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