Whenever Alaborn Cavalier attacks, you may tap target creature.

Vigilance

Reach (This creature can block creatures with flying.)

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

When Alaborn Zealot blocks a creature, destroy that creature and Alaborn Zealot.

, : The next time you would draw a card this turn, instead look at the top X cards of your library, put all but one of them on the bottom of your library in a random order, then draw a card. X can't be 0.

, : Aladdin's Ring deals 4 damage to any target.

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

Sacrifice Alchemist's Apprentice: Draw a card.

When Alchemist's Vial enters the battlefield, draw a card.
, , Sacrifice Alchemist's Vial: Target creature can't attack or block this turn.

, : Target permanent you control becomes the color of your choice. (This effect lasts indefinitely.)

Vigilance

Flash
Enchant creature
Enchanted creature has shroud. (It can't be the target of spells or abilities.)

, , Discard two cards: Return X target creatures to their owners' hands.

If you would gain life, you gain twice that much life instead.
If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

Flying
As Alhammarret, High Arbiter enters the battlefield, each opponent reveals their hand. You choose the name of a nonland card revealed this way.
Your opponents can't cast spells with the chosen name (as long as this creature is on the battlefield).

When Alharu, Solemn Ritualist enters the battlefield, 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 (You can have two commanders if both have partner.)

When Aligned Hedron Network enters the battlefield, exile all creatures with power 5 or greater until Aligned Hedron Network leaves the battlefield. (Those creatures return under their owners' control.)

Alirios, Enraptured enters the battlefield tapped.
Alirios doesn't untap during your untap step if you control a Reflection.
When Alirios enters the battlefield, create a 3/2 blue Reflection creature token.