Without it, a lot of cards just become inscrutable, and Yuffie is but one example of this problem in Through the Ages
Elesh Norn, Mother of Machines Part big creature, part Panharmonicon
however, with careful consideration and planning you can ensure success
How many different decks existed mathematically with those cards
Ashcoat of the Shadow Swarm Ashcoat of the Shadow Swarm Freya Crescent Greasefang, Okiba Boss Ink-Eyes, Servant of Oni Karumonix, the Rat King Lord Skitter, Sewer King Marrow-Gnawer Nashi, Moon Sage's Scion Nashi, Moon's Legacy Nashi, Searcher in the Dark Old Flitterfang Rat King, Pale Piper Rat King, Verminister Splinter & Leo, Father & Son Splinter, Aging Champion Splinter, Hamato Yoshi Splinter, Radical Rat Splinter, the Mentor Vren, the Relentless Wick, the Whorled Mind