Donquixote Doflamingo (OP01-060): One of the best Leaders in the early sets, Blue Doffy had multiple moments in the sun, with OP-09 being its peak
A well-built deck with a smooth mana curve and a good mix of creatures and spells will function just fine, even if it doesn't have much synergy
But both English and Japanese speakers know their games and characters, so we needed both localizations of the cards to speak to each audience authentically
The Soul Stones harness ability is a bit overblown given the massive set-up cost, but it's all gravy on a massive upgrade to Charcoal Diamond, and an indication that the other colors will be getting some improved mana rocks soon enough, probably a few as early as Marvel Super Heroes next year
Equip vs Attach Equip is a keyword that attaches one permanent to another permanent an artifact to a creature
Once you get into the free rental programs, you can immediately start building and playing Commander decks that would cost hundreds of dollars in paper, competitive budget Modern / Pioneer decks, and much more