Flying
When this creature dies, shuffle it into its owner's library.

When this creature enters, exile target creature an opponent controls until this creature leaves the battlefield.
Plainscycling

Flying, vigilance

White spells you cast cost more to cast.

: Target creature you control gains lifelink until end of turn.

Defender
: Prevent the next 1 damage that would be dealt to any target this turn.

Whenever this creature attacks, you may tap target creature.

: Target creature gets +2/+2 until end of turn. Activate only during your turn, before attackers are declared.

When this creature blocks a creature, destroy both creatures.

Creatures you control get +0/+1 and have vigilance.
At the beginning of combat on your turn, choose up to one target Mount or Vehicle you control. Until end of turn, that permanent becomes saddled if it's a Mount and becomes an artifact creature if it's a Vehicle.

Untap target nonattacking creature. It gets +1/+3 until end of turn.

When Alharu enters, put a +1/+1 counter on each of up to two other target creatures.
Whenever a nontoken creature you control with a +1/+1 counter on it dies, create a 1/1 white Spirit creature token with flying.
Partner

Flurry — Whenever you cast your second spell each turn, put a rally counter on this enchantment. Then create a 1/1 white Monk creature token with prowess for each rally counter on it.

Partner with Alphinaud Leveilleur
First strike
Dualcast — The second spell you cast each turn costs less to cast.

Enchant creature
Enchanted creature gets +1/+1 for each artifact and/or enchantment you control.

Buyback
Destroy target enchantment.

Choose one —
• Target creature you control gets +1/+2 until end of turn.
• Return target creature you control to its owner's hand.

When this creature enters, exile up to one target non-Assassin creature until this creature leaves the battlefield.
Warp

Join forces — Starting with you, each player may pay any amount of mana. Each player creates X 1/1 white Soldier creature tokens, where X is the total amount of mana paid this way.

Up to two target creatures each get +X/+X until end of turn, where X is the number of creatures in your party. (Your party consists of up to one of each Cleric, Rogue, Warrior, and Wizard.)

Create two 2/2 white Knight Ally creature tokens.

When this enchantment enters, create a 1/1 white Ally creature token.
Allies you control get +1/+1.