Blue Elemental Blast

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

Sol Ring

Serendib Efreet

Flying
At the beginning of your upkeep, this creature deals 1 damage to you.

Mind Twist

Target player discards X cards at random.

Prodigal Sorcerer

{T}: This creature deals 1 damage to any target.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target land.

Boomerang

Return target permanent to its owner's hand.

Nevinyrral's Disk

This artifact enters tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Counterspell

Icy Manipulator

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

Swamp

Hypnotic Specter

Flying
Whenever this creature deals damage to an opponent, that player discards a card at random.

Spell Blast

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

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.

Mishra's Factory

{T}: Add {C}.
{1}: This land 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.

Tormod's Cryptkeeper

Vigilance
{T}, Sacrifice this creature: Exile target player's graveyard.

Flying Men

Xenic Poltergeist

{T}: Until your next upkeep, target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.

Braingeyser

Sorceress Queen

{T}: Target creature other than this creature has base power and toughness 0/2 until end of turn.

Mahamoti Djinn

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

Control Magic

Enchant creature
You control enchanted creature.

Dark Ritual

Royal Assassin

Time Elemental

When this creature attacks or blocks, at end of combat, sacrifice it and it deals 5 damage to you.
{2}{U}{U}, {T}: Return target permanent that isn't enchanted to its owner's hand.

Sinkhole

Khabál Ghoul

At the beginning of each end step, put a +1/+1 counter on this creature for each creature that died this turn.