This effect sets you up perfectly for a rank 2 XYZ summon, or maybe even a link 3 monster summon
Metamorphosis Starting off this list is a card that will never come off the ban list in Advanced format Metamorphosis
They work well together, they found a great compromise around changing their names, and with two heads, they still get to live their own lives and have their own interests
Points to keep in mind Since the opponent's damage output increases in the late game, guard all attacks that can be blocked with a single card from your hand (on the turn you need to go for the lethal counter-attack, you want to take the life damage and search for King of the Pirates and 4-cost Kuina)
Once it's on the Battlefield, it can be interacted with by anything which targets a Permanent, including something old-school, like Desert Twister, or more modern, like Aether Helix