Cheapest priced copy (Final Fantasy Commander): $0.69 at Card Kingdom, near mint, their price list as of .
Bastion Protector 
Creature — Human Soldier · 3/3 · Rare · Midnight Hunt Commander · #80
Commander creatures you control get +2/+2 and have indestructible.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
8 printings · $0.69 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Warhammer 40,000 Commander | 182 | Rare | $1.29 | — |
| Warhammer 40,000 Commander | 182★ | Rare | — | — |
| Commander 2015 | 1 | Rare | $1.29 | — |
| Final Fantasy Commander | 233 | Rare | $0.69 | $2.49 |
| Tales of Middle-earth Commander | 162 | Rare | $1.29 | — |
| Midnight Hunt Commander | 80 | Rare | $0.99 | — |
| Marvel Super Heroes Commander | 122 | Rare | $0.69 | $0.79 |
| Marvel Super Heroes Commander | 296 | Rare | $0.99 | — |
3 rulings from Wizards of the Coast
- 4 November 2015Bastion Protector's ability applies to any commander creature you control, whether you own it or not.
- 4 November 2015A "commander creature" is a permanent that's both someone's commander and a creature.
- 4 November 2015Bastion Protector's ability doesn't apply to commanders that aren't currently creatures.