3 printings

Sealock Monster

3UU

Creature — Octopus

Blue 5/5 Illus. Adam Paquette

This creature can't attack unless defending player controls an Island.

{5}{U}{U}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

When this creature becomes monstrous, target land becomes an Island in addition to its other types.

Market estimate · ~24h

$0.08 – $0.41

Across paper printings · TCGplayer & Cardmarket market price

Card data via Scryfall. Paper market figures use TCGplayer market price and Cardmarket values that Scryfall syncs from affiliates. View on Scryfall · How Scryfall prices work . Prices refresh about every 24 hours — useful estimates, not a live storefront and not an in-stock offer. Tappr is not the seller. Page checked 2026-11-02 11:51 UTC.