Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Flying Men

Plains

Winter Orb

As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.

Counterspell

Relic Barrier

Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Divine Offering

Destroy target artifact. You gain life equal to its mana value.

Island

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.

White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.)

Serendib Efreet

Flying
At the beginning of your upkeep, Serendib Efreet deals 1 damage to you.

Kismet

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

Blue Elemental Blast

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

Savannah Lions

Unstable Mutation

Enchant creature
Enchanted creature gets +3/+3.
At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.