Counterspell

Illusory Angel

Cast this spell only if you've cast another spell this turn.
Flying

Phantasmal Image

You may have this creature enter as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

Unsummon

Return target creature to its owner's hand.

Halcyon Glaze

Whenever you cast a creature spell, this enchantment becomes a 4/4 Illusion creature with flying in addition to its other types until end of turn.

Frost Breath

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

Island

Phantasmal Bear

When this creature becomes the target of a spell or ability, sacrifice it.

Disperse

Return target nonland permanent to its owner's hand.

Vapor Snag

Return target creature to its owner's hand. Its controller loses 1 life.

Phantom Beast

Ice Cage

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
When enchanted creature becomes the target of a spell or ability, destroy this Aura.

Jace's Phantasm

Flying
This creature gets +4/+4 as long as an opponent has ten or more cards in their graveyard.

Monastery Siege

As this enchantment enters, choose Khans or Dragons.
• Khans — At the beginning of your draw step, draw an additional card, then discard a card.
• Dragons — Spells your opponents cast that target you or a permanent you control cost {2} more to cast.

Summoner's Bane

Counter target creature spell. Create a 2/2 blue Illusion creature token.

Phantom Warrior

Krovikan Mist

Flying
Krovikan Mist's power and toughness are each equal to the number of Illusions on the battlefield.

Lord of the Unreal

Illusion creatures you control get +1/+1 and have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Phantasmal Dragon

Flying
When this creature becomes the target of a spell or ability, sacrifice it.