Remove Soul

Time Warp

Target player takes an extra turn after this one.

Counterspell

Thalakos Seer

Shadow (This creature can block or be blocked by only creatures with shadow.)
When Thalakos Seer leaves the battlefield, draw a card.

Control Magic

Enchant creature
You control enchanted creature.

Boomerang

Return target permanent to its owner's hand.

Air Elemental

Force Spike

Counter target spell unless its controller pays {1}.

Unsummon

Return target creature to its owner's hand.

Great Whale

When Great Whale enters, untap up to seven lands.

Ertai, Wizard Adept

Syncopate

Counter target spell unless its controller pays {X}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Time Elemental

When Time Elemental 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.

Twiddle

You may tap or untap target artifact, creature, or land.

Stasis

Players skip their untap steps.
At the beginning of your upkeep, sacrifice Stasis unless you pay {U}.

Zephyr Falcon

Psychic Venom

Enchant land
Whenever enchanted land becomes tapped, Psychic Venom deals 2 damage to that land's controller.

Mahamoti Djinn

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