"The world is full enough of hurts and mischances without wars to multiply them."

Tales of Middle-earth Commander

Frontline Medic

Battalion — Whenever Frontline Medic and at least two other creatures attack, creatures you control gain indestructible until end of turn.
Sacrifice Frontline Medic: Counter target spell with {X} in its mana cost unless its controller pays {3}.

Battalion — Whenever this creature and at least two other creatures attack, creatures you control gain indestructible until end of turn.
Sacrifice this creature: Counter target spell with {X} in its mana cost unless its controller pays {3}.

Commander Legends: Battle for Baldur's Gate

Commander 2020

Gatecrash

Battalion — Whenever Frontline Medic and at least two other creatures attack, creatures you control are indestructible this turn.
Sacrifice Frontline Medic: Counter target spell with {X} in its mana cost unless its controller pays {3}.