Brinelin, the Moon Kraken is a uncommon Legendary Creature — Kraken card from The List (PLST), collector number CMR-60. Current market price: $0.39, TCGplayer market prices via Scryfall.
When Brinelin enters and whenever you cast a spell with mana value 6 or greater, you may return target nonland permanent to its owner's hand. Partner (You can have two commanders if both have partner.)