Cheapest priced copy (Jumpstart 2022): $0.35 at Card Kingdom, near mint, their price list as of .
Aquatic Incursion 
Enchantment · Uncommon · Jumpstart 2022 · #271
When this enchantment enters, create two 1/1 blue Merfolk creature tokens with hexproof. (They can't be the targets of spells or abilities your opponents control.)
{3}{U}: Target Merfolk can't be blocked this turn.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Jumpstart 2022 | 271 | Uncommon | $0.35 | — |
| Rivals of Ixalan | 32 | Uncommon | $0.39 | $0.79Out of stock |
One ruling from Wizards of the Coast
- 19 January 2018Activating the last ability of Aquatic Incursion after a Merfolk has become blocked won’t cause it to become unblocked.