The sets name appears to reference Mewtwo, the Genetic Pokmon, which is highlighted with a special immersive card
At the beginning of the next end step, target land deals 3 damage to that creature
From Elves to burn to mana ramp, Gruul contains more depth than some may believe
Oh, and of course Soultraders a zombie, in addition to having two other relevant creature types
Just to note, there were a ton of bounce spells in Invasion Block, and there are still more to come on this list
Myrkul, Lord of Bones (Check it out here) was built as the leader of a Midrange and Constellation deck that ran a bunch of dorks with ETB abilities for value (like Liliana's Specter and Archon of Cruelty), sacrificed them for value (High Market and Dockside Chef), netted a return as an enchantment to trigger another ETB for it and constellation dorks (like Underworld Coinsmith and Eidolon of Blossoms) and then added in some ramp, answers, card flow, and called it a deck