Cheapest priced copy (Reality Fracture): $0.49 at Card Kingdom, near mint, their price list as of .
Gideon's Memorial 
Legendary Artifact · Rare · PFRA · #198p
Creature tokens you control get +1/+0 and have vigilance.
{T}: Add one mana of any color. Spend this mana only to cast a planeswalker spell.
{1}{W}, Discard this card: It deals 4 damage to target attacking or blocking creature.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
3 printings · $0.49 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Reality Fracture | 198 | Rare | $0.49 | $0.49 |
| Reality Fracture | 292 | Rare | $0.59 | $2.49 |
| PFRA | 198p | Rare | $0.69 | $0.79 |