Island of Wak-Wak

{T}: Target creature with flying has base power 0 until end of turn.

Tree of Perdition

Defender
{T}: Exchange target opponent's life total with this creature's toughness.

Mannichi, the Fevered Dream

{1}{R}: Switch each creature's power and toughness until end of turn.

Thopter Architect

Whenever an artifact you control enters, target creature gains flying until end of turn.

Disciple of Kangee

{U}, {T}: Target creature gains flying and becomes blue until end of turn.

Brash Taunter

Indestructible
Whenever this creature is dealt damage, it deals that much damage to target opponent.
{2}{R}, {T}: This creature fights another target creature.

Radiant Performer

Flash
When Radiant Performer enters, if you cast it from your hand, choose target spell or ability that targets only a single permanent or player. Copy that spell or ability for each other permanent or player the spell or ability could target. Each copy targets a different one of those permanents and players.

Stuffy Doll

Indestructible
As this creature enters, choose a player.
Whenever this creature is dealt damage, it deals that much damage to the chosen player.
{T}: This creature deals 1 damage to itself.

Isochron Scepter

Imprint — When this artifact enters, you may exile an instant card with mana value 2 or less from your hand.
{2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.