Azra Matchthrower (Unknown Event #CR04a)

Azra Matchthrower {3}{R}

Creature — Azra Warrior

Battlebond (You may pair this creature with an unpaired battle you control when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Azra Matchthrower is paired with a battle, each of those permanents has “Whenever this permanent is dealt combat damage, this permanent deals 1 damage to any target.”

4/4
Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny