Cheapest priced copy (Jumpstart 2022): $0.35 at Card Kingdom, near mint, their price list as of .
Ghirapur Guide 
Creature — Elf Scout · 3/2 · Uncommon · Core Set 2019 · #182
{2}{G}: Target creature you control can't be blocked by creatures with power 2 or less this turn.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Jumpstart 2022 | 665 | Uncommon | $0.35 | — |
| Foundations Jumpstart | 661 | Uncommon | $0.35 | — |
| Jumpstart | 400 | Uncommon | $0.35 | — |
| Kaladesh | 156 | Uncommon | $0.35 | $0.49 |
| Core Set 2019 | 182 | Uncommon | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 13 July 2018Once a creature with power 2 or less has blocked a creature, activating Ghirapur Guide's ability won't change or undo that block.
- 13 July 2018Once a creature with power 3 or greater has blocked the target creature, changing the power of the blocking creature won't change or undo that block.