Just as it is in the TCG, you'll need to build your deck to use in your many battles, which will often evolve as you gain stronger cards and monster skills
4 Red-Eyes Zombie Dragon Lord Requiring a Zombie Tuner and at least one non-Tuner Monster to Synchro Summon, this Level 10 Monster refuses to stay in the Graveyard
Chimera and Yubel deck archetypes, meanwhile, have recently made rapid strides from near-irrelevance to become viable tournament optionsthough neither quite crack the list to come
It also requires expert timing, so it isnt countered by other, more powerful boss monsters
It's very easy to activate in Monarch decks, and searchable by other Monarch cards as well
After all, what good is being able to convert yourself into pure magical energy if you cant regain your body