Pay 1 life: Until end of turn, whenever a creature deals combat damage to you, destroy that creature. Pay 1 life: Until end of turn, whenever target creature you control deals combat damage to a creature, destroy the damaged creature.
Strive — This spell costs {1}{W} more to cast for each target beyond the first. Any number of target creatures each gain double strike until end of turn.
When you cast this spell, any player may discard three cards. If a player does, counter Phantasmagorian. Discard three cards: Return Phantasmagorian from your graveyard to your hand.
If you weren't the starting player, this spell costs {1} less to cast. Target opponent reveals each nonland card in their hand with mana value 4 or less. Choose a card revealed this way or a card in their graveyard. Exile that card.
Until end of turn, up to two target creatures each have base power and toughness 3/3, gain flying, and become blue Illusions in addition to their other colors and types. Draw a card.
You may have Phantasmal Image enter the battlefield 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."
Flying {T}: Target creature you control with toughness 2 or less gets +1/+1 and gains flying until end of turn. When Phantasmal Mount leaves the battlefield this turn, sacrifice that creature. When the creature leaves the battlefield this turn, sacrifice Phantasmal Mount.
Flying At the beginning of your upkeep, put a +1/+1 counter on Phantasmal Sphere, then sacrifice Phantasmal Sphere unless you pay {1} for each +1/+1 counter on it. When Phantasmal Sphere leaves the battlefield, target opponent creates an X/X blue Orb creature token with flying, where X is the number of +1/+1 counters on Phantasmal Sphere.
Flying When Phantom Carriage enters the battlefield, you may search your library for a card with flashback or disturb, put it into your graveyard, then shuffle.
Passage to the abyss is free, but the return trip will cost you.
Flying When Phantom Carriage enters the battlefield, you may search your library for a card with flashback or disturb, put it into your graveyard, then shuffle.
Protection from black Phantom Centaur enters the battlefield with three +1/+1 counters on it. If damage would be dealt to Phantom Centaur, prevent that damage. Remove a +1/+1 counter from Phantom Centaur.
Flying Phantom Flock enters the battlefield with three +1/+1 counters on it. If damage would be dealt to Phantom Flock, prevent that damage. Remove a +1/+1 counter from Phantom Flock.