Cheapest priced copy (Commander 2020): $0.49 at Card Kingdom, near mint, their price list as of .
Frontline Medic 
Creature — Human Cleric · 3/3 · Rare · Gatecrash · #12
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}.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.49 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2020 | 89 | Rare | $0.49 | — |
| Commander Legends: Battle for Baldur's Gate | 693 | Rare | $0.49 | — |
| Gatecrash | 12 | Rare | $0.69 | $1.49 |
| Tales of Middle-earth Commander | 169 | Rare | $0.59 | — |
4 rulings from Wizards of the Coast
- 15 April 2013Once a battalion ability has triggered, it doesn't matter how many creatures are still attacking when that ability resolves.
- 15 April 2013The effects of battalion abilities vary from card to card. Read each card carefully.
- 1 July 2013Creatures that come under your control after Frontline Medic's battalion ability resolves will not be granted indestructible by this effect.
- 12 January 2024The three attacking creatures don't have to be attacking the same player, planeswalker, or battle.