I love Sundial of the Infinite in myriad decks, since you can put the end of combat exile trigger on the stack for the myriad copies and then just end your turn to keep the tokens
Undo allowed you to completely break the symmetry of the format: you would play a turn three 2/2, your opponent would play a turn three 2/2
Its kind of niche, Ill admit it, but if youre going for something in the 1-to-3 mana value category, this is very doable
Read more Best Disney Lorcana starter deck for beginners Amber & Amethyst A great choice if you're new to TCGs or want to bring the pain, fast Reasons to buy + A great way to learn the ropes + Doesn't require lots of strategizing + Some satisfying combos Reasons to avoid - Relies on cheap but weak characters - Not necessarily as exciting Of all the Disney Lorcana starter decks, this one - starring Moana and Mickey Mouse - is the ideal place to begin if you're new to trading card games in general
These could be for helping teach new players to play, judging events, bringing friends, or other behaviors you want to encourage