all mtg transformers cards are coming to Magic: The Gathering you may sacrifice another artifact Starscream, Power Hungry

Leonidas also shows up everywhere on t-shirts, keychains, and shot glasses, all of which seems ironic in the heart of Athens, Spartas great enemy

Krakens are famously a larger creature

There are plenty of ways to untap creatures for no mana, like with Kioras Follower

For example, this set introduces a new type of land to the game

Since you have the infrastructure to hit already, why not add in two more combat damage triggers that also boost the power by two and thus the Commander Damage clock is sped up as well and giving two key protections from targeted removal like Beast Within and burn like sweeping Blasphemous Act