Cheapest priced copy (Duel Decks: Merfolk vs. Goblins): $0.35 at Card Kingdom, near mint, their price list as of .
Aquitect's Will 
Kindred Sorcery — Merfolk · Common · Lorwyn · #52
Put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it. If you control a Merfolk, draw a card.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
2 printings · $0.35 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Merfolk vs. Goblins | 2 | Common | $0.35 | — |
| Lorwyn | 52 | Common | $0.35 | $6.99 |
3 rulings from Wizards of the Coast
- 7 June 2024While it appears only on cards that already have other card types, kindred is a card type and will be counted by effects that refer to the number of card types among cards in a zone.
- 7 June 2024Kindred is a card type that allows noncreature cards to have creature types. For example, Echoes of Eternity is an Eldrazi (although not a creature) while on the battlefield and an Eldrazi card (although not a creature card) in zones other than the battlefield.
- 7 June 2024This cards was originally printed with the "tribal" card type. That card type has been replaced with "kindred". This change does not affect the gameplay function of this card.