Zada's Commando
Creature — Goblin Archer Ally
First strike
Cohort — 
, Tap an untapped Ally you control: Zada's Commando deals 1 damage to target opponent or planeswalker.
"There's a word for someone who brings too much gear to battle: 'survivor.'" —Zada of Slab Haven
2/1
Illustrated by
Oath of the Gatewatch#120CommonEnglishLegality
Rulings
Jan 22, 2016
To activate a cohort ability, the Ally with that ability must have been under your control continuously since the beginning of your most recent turn. Informally, it can’t have “summoning sickness.” However, the other Ally you tap can be one that just came under your control. (Note that tapping the second Ally doesn’t use [the tap symbol].)