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.

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.

Force Spike

Counter target spell unless its controller pays {1}.

Zephyr Falcon

Mahamoti Djinn

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

Air Elemental

Twiddle

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

Time Warp

Target player takes an extra turn after this one.

Stasis

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

Unsummon

Return target creature to its owner's hand.

Counterspell

Great Whale

When this creature enters, untap up to seven lands.

Icy Manipulator

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

Thalakos Seer

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

Psychic Venom

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