Sure, you may be able to slot Cloud or Ezio into your Commander deck, but you can almost guarantee they wont be standard legal
Additionally, the amount of "elves" required to activate it feels like it's not enough to justify it, but then again, it is a -7 from a starting point of 4, so I guess that's passable
Ultra Deck 8.9 57 [347787] JP080 Tempest, Dragon Ruler of Storms Effect Monster - 7 Dragon 2400 2200 You can discard this card and 1 WIND monster to the GY
The Strategy Normally, when I brew a deck, I try to add cards that synergize with the commander or combo off in some way to give the list some extra mustard
4 Ultra Rares (each with an individual 1-in-6 chance of being upgraded to a new Prismatic-style Collectors Rare or new Prismatic-style Ultimate Rare)