Cheapest priced copy (Commander 2014): $7.49 at Card Kingdom, near mint, their price list as of .
True Conviction 
Enchantment · Rare · Signature Spellbook: Gideon · #6
Creatures you control have double strike and lifelink.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
5 printings · $7.49 to $22.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2014 | 93 | Rare | $7.49 | — |
| Starter Commander Decks | 38 | Rare | $7.49 | — |
| Secret Lair Drop | 1082 | Rare | $22.99 | $22.99 |
| Scars of Mirrodin | 25 | Rare | $7.99 | $12.99 |
| Signature Spellbook: Gideon | 6 | Rare | $7.49 | $11.99 |