Aven Squire

Flying
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Constricting Tendrils

Target creature gets -3/-0 until end of turn.
Cycling (, Discard this card: Draw a card.)

Cancel

Counter target spell.

Welkin Guide

Flying
When Welkin Guide enters the battlefield, target creature gets +2/+2 and gains flying until end of turn.

Deft Duelist

First strike
Shroud (This creature can’t be the target of spells or abilities.)

Rockcaster Platoon

: Rockcaster Platoon deals 2 damage to each creature with flying and each player.