Your search for "Frontline Medic 693" revealed the following:
Frontline Medic (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Willian Murai Card Text:Battalion — Whenever Frontline Medic and at least two other creatures attack, creatures you control gain indestructible...
Frontline Medic (GTC) from Gatecrash, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Willian Murai Card Text:Battalion — Whenever Frontline Medic and at least two other creatures attack, creatures you control are indestructible this turn.Sacrifice Frontline Medic: Counter...