Spend some time building its loyalty (or pair it with a combo piece like Doomsday Excruciator) and itll be a powerful mill finisher in 60-card MTG formats
If you have a Mirror Wall in your hand, you might want to use it early in the duel and place it back on your side of the field while you approach Yugi's side
Lava Dart seems like the best, but I play Flame Jab and Searing Touch in the right decks
The Doctor Who Timey-Wimey Commander Deck includes 1 ready-to-play Blue-Red-White deck of 100 Magic cards (2 Traditional Foil Legendary Creature cards, 98 nonfoil cards), 10 Planechase cards, 1 six-sided planar die, a 2-card Collector Booster Sample Pack (contains 2 Traditional Foil or nonfoil special treatment cards, with 1 Common or Uncommon and 1 card of rarity Rare or higher), 1 foil-etched Display Commander (a thick cardstock copy of the commander card with foil etched into the cards border and art), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 Life Wheel, 1 strategy insert, and 1 reference card.
While all the Exodia limbs are ultras themselves, you want the important piece, the head