Puffer Extract

{X}, {T}: Target creature you control gets +X/+X until end of turn. Destroy it at the beginning of the next end step.

Darting Merfolk

{U}: Return this creature to its owner's hand.

Counterspell

Cloud Sprite

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

Disenchant

Cho-Arrim Legate

If an opponent controls a Swamp and you control a Plains, you may cast this spell without paying its mana cost.
Protection from black

Drake Hatchling

Flying
{U}: This creature gets +1/+0 until end of turn. Activate only once each turn.

Noble Purpose

Whenever a creature you control deals combat damage, you gain that much life.

Thwart

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

War Tax

{X}{U}: This turn, creatures can't attack unless their controller pays {X} for each attacking creature they control.

Diplomatic Escort

{U}, {T}, Discard a card: Counter target spell or ability that targets a creature.

Devout Witness

{1}{W}, {T}, Discard a card: Destroy target artifact or enchantment.

Overtaker

{3}{U}, {T}, Discard a card: Untap target creature and gain control of it until end of turn. That creature gains haste until end of turn.

Island

Afterlife

Destroy target creature. It can't be regenerated. Its controller creates a 1/1 white Spirit creature token with flying.

Ramosian Rally

If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost.
Creatures you control get +1/+1 until end of turn.

Story Circle

As this enchantment enters, choose a color.
{W}: The next time a source of your choice of the chosen color would deal damage to you this turn, prevent that damage.

Ballista Squad

{X}{W}, {T}: This creature deals X damage to target attacking or blocking creature.

Alabaster Wall

Defender (This creature can't attack.)
{T}: Prevent the next 1 damage that would be dealt to any target this turn.

Saprazzan Legate

If an opponent controls a Mountain and you control an Island, you may cast this spell without paying its mana cost.
Flying

Customs Depot

Whenever you cast a creature spell, you may pay {1}. If you do, draw a card, then discard a card.

Crossbow Infantry

{T}: This creature deals 1 damage to target attacking or blocking creature.

Coastal Piracy

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

Plains

Kyren Archive

At the beginning of your upkeep, you may exile the top card of your library face down.
{5}, Discard your hand, Sacrifice this artifact: Put all cards exiled with this artifact into their owner's hand.

Stinging Barrier

Defender (This creature can't attack.)
{U}, {T}: This creature deals 1 damage to any target.