There are more traditional transforming cards, such as Garland, Knight of Cornelia, hybrid cards like Jill, Shivas Dominant, and sidequest enchantments
Vocaloid Magnet Level 6 Dark Fairy Fusion 2000 ATK / 1300 DEF 2 "Vocaloid" monsters You can target 1 monster your opponent controls (Quick Effect): Negate its effects until the end of the turn, then, if this card was Fusion Summoned using a WIND monster, you can take control of it until the end of the turn
You can do some fun stuff with this in Commander, like using Ashnods Altar to pay the equip cost and looping through Mitotic Slime or Wurmcoil Engine tokens until you swarm the board
Legendary creatures with an adventure can be commanders
you'll still be unable to cast spells until your next turn begins
In order to perform trades with other TGC Pocket players, you need to consume Stamina and a trading currency called Trade Tokens