Ivy, Gleeful Spellthief

Flying
Whenever a player casts a spell that targets only a single creature other than Ivy, Gleeful Spellthief, you may copy that spell. The copy targets Ivy. (A copy of an Aura spell becomes a token.)

Shadow Rift

Target creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)
Draw a card.

Touch of Invisibility

Target creature can't be blocked this turn.
Draw a card.

Refocus

Startle

Target creature gets -2/-0 until end of turn. Create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)
Draw a card.

Cloak of Feathers

Target creature gains flying until end of turn.
Draw a card.

Refresh

Slip Through Space

Devoid (This card has no color.)
Target creature can't be blocked this turn.
Draw a card.

Irresistible Prey

Target creature must be blocked this turn if able.
Draw a card.

Cerulean Wisps

Target creature becomes blue until end of turn. Untap that creature.
Draw a card.

Poison the Blade

Target creature gains deathtouch until end of turn.
Draw a card.

Scale the Heights

Put a +1/+1 counter on up to one target creature. You gain 2 life. You may play an additional land this turn.
Draw a card.

Wildsize

Target creature gets +2/+2 and gains trample until end of turn.
Draw a card.

Sudden Strength

Target creature gets +3/+3 until end of turn.
Draw a card.

Suit Up

Until end of turn, target creature or Vehicle becomes an artifact creature with base power and toughness 4/5.
Draw a card.

Verdant Rebirth

Until end of turn, target creature gains "When this creature dies, return it to its owner's hand."
Draw a card.

Might of the Old Ways

Target creature gets +2/+2 until end of turn.
Coven — Then if you control three or more creatures with different powers, draw a card.

Feral Instinct

Target creature gets +1/+1 until end of turn.
Draw a card at the beginning of the next turn's upkeep.

Viridescent Wisps

Target creature becomes green and gets +1/+0 until end of turn.
Draw a card.

Charge Through

Target creature gains trample until end of turn.
Draw a card.

Tel-Jilad Defiance

Target creature gains protection from artifacts until end of turn.
Draw a card.

Twisted Image

Switch target creature's power and toughness until end of turn.
Draw a card.

Lace with Moonglove

Target creature gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy that creature.)
Draw a card.

Blur

Exile target creature you control, then return that card to the battlefield under its owner's control.
Draw a card.

Aggressive Urge

Target creature gets +1/+1 until end of turn.
Draw a card.

Touch of Vitae

Until end of turn, target creature gains haste and "{0}: Untap this creature. Activate only once."
Draw a card at the beginning of the next turn's upkeep.

Wild Defiance

Whenever a creature you control becomes the target of an instant or sorcery spell, that creature gets +3/+3 until end of turn.