Joven and Chandler

Joven and Chandler (UR05) is a Red Legendary Creature — Human Rogue from Un-Known Event Playtest Cards (UNK). It costs {3}{R}{R}, has mana value 5 and is a 3/3. It is printed at Uncommon rarity. Its text prints Haste and Backup.

Un-Known Event Playtest Cards is an Un-set, which is not legal in sanctioned play.

Backup 2 (When this creature enters the battlefield, put two +1/+1 counters on target creature. If that's another creature, it gains the following abilities until end of turn.) Haste Whenever this creature deals combat damage to an opponent, destroy target artifact that player controls.