Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Red Elemental Blast

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

Blue Elemental Blast

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

Counterspell

Lifetap

Whenever a Forest an opponent controls becomes tapped, you gain 1 life.

Phantom Monster

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Island

Disintegrate

Disintegrate deals X damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

Goblin King

Other Goblins get +1/+1 and have mountainwalk.

Air Elemental

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.

Roc of Kher Ridges

Living Wall

Defender (This creature can't attack.)
{1}: Regenerate Living Wall.

Hurloon Minotaur

Wall of Fire

Defender (This creature can't attack.)
{R}: Wall of Fire gets +1/+0 until end of turn.

Sea Serpent

Sea Serpent can't attack unless defending player controls an Island.
When you control no Islands, sacrifice Sea Serpent.

Mountain

Lord of Atlantis

Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)