After all, once of my favorite formats of all time is Five Color, a deck with 250 (now 300) cards with all five colors required
Theres a strong synergy with cards like Young Pyromancer and Monastery Mentor which supply you with the tokens needed to convoke the spells
Incapsula incident ID: 304000480132352868-64583625113340932
Kethis, the Hidden Hand Kethis, the Hidden Hand reduces the cost of legendary spells, which includes planeswalkers, and lets you reuse them from the graveyard by exiling other legends
Here are all the cards included in the Emerald/Sapphire single-player deck: Alistair Krei Ambitious Entrepreneur x3 Basil Hypnotized Mouse x2 Clarabelle Contented Wallflower (from a previous set) x2 Dawson Basils Assistant x2 Fred Mascot by Day x3 Go Go Tomago Darting Dynamo x1 Goofy Expert Shipwright x1 Heathcliff Stoic Butler x2 Honey Lemon Chemical Genius x2 Merryweather Good Fairy (from a previous set) x2 Prince Phillip Royal Explorer x2 Stitch Little Trickster x2 Heffalumps and Woozles x2 You Came Back x1 Emerald Chromicon (from a previous set) x2 MegaBot x2 Aunt Cass Biggest Fan x3 B.E.N
3-cost Brook and 7-cost Jack are other ways you can KO Characters