Shipbreaker Kraken

5RR: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When this creature becomes monstrous, each player sacrifices three lands of their choice.

T: Add an amount of G equal to your devotion to green. (Each G in the mana costs of permanents you control counts toward your devotion to green.)

Heroic — Whenever you cast a spell that targets Anthousa, up to three target lands you control each become 2/2 Warrior creatures until end of turn. They're still lands.

Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on each creature you control.

Defender, hexproof T: Add one mana of any color.

Bestow 5WW (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.) Flying, first strike Enchanted creature gets +4/+4 and has flying and first strike.

Flying When this creature enters, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. (Each B in the mana costs of permanents you control counts toward your devotion to black.) At the beginning of your upkeep, sacrifice a creature.

Bestow 2BB (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.) This creature and enchanted creature each get +X/+X, where X is the number of creature cards in all graveyards.