Chain of Vapor

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may choose a new target for that copy.

Arcane Denial

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.
You draw a card at the beginning of the next turn's upkeep.

Chronatog

{0}: Chronatog gets +3/+3 until end of turn. You skip your next turn. Activate only once each turn.

Counterspell

Stifle

Counter target activated or triggered ability. (Mana abilities can't be targeted.)

Forsaken City

Forsaken City doesn't untap during your untap step.
At the beginning of your upkeep, you may exile a card from your hand. If you do, untap Forsaken City.
{T}: Add one mana of any color.

Ensnare

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.
Tap all creatures.

Kismet

Artifacts, creatures, and lands your opponents control enter tapped.

Island

Misdirection

You may exile a blue card from your hand rather than pay this spell's mana cost.
Change the target of target spell with a single target.

Foil

You may discard an Island card and another card rather than pay this spell's mana cost.
Counter target spell.

Thwart

You may return three Islands you control to their owner's hand rather than pay this spell's mana cost.
Counter target spell.

Force of Will

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.
Counter target spell.

Trade Caravan

At the beginning of your upkeep, put a currency counter on Trade Caravan.
Remove two currency counters from Trade Caravan: Untap target basic land. Activate only during an opponent's upkeep.

Rescue

Return target permanent you control to its owner's hand.

Tundra

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Mana Leak

Counter target spell unless its controller pays {3}.

Stasis

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