Air Elemental

Mountain

Phantom Monster

Mahamoti Djinn

Flying (This creature can't be blocked except by creatures with flying or reach.)

Island

Spell Blast

Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)

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.

Earthquake

Earthquake deals X damage to each creature without flying and each player.

Blue Elemental Blast

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

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.

Control Magic

Enchant creature
You control enchanted creature.

Red Elemental Blast

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

Serendib Efreet

Flying
At the beginning of your upkeep, Serendib Efreet deals 1 damage to you.

Jayemdae Tome

Shivan Dragon

Flying
{R}: This creature gets +1/+0 until end of turn.

Roc of Kher Ridges

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Disrupting Scepter

{3}, {T}: Target player discards a card. Activate only during your turn.

Granite Gargoyle

Flying
{R}: Granite Gargoyle gets +0/+1 until end of turn.

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.