Decide upfront what your master set scope includes so you don't end up buying both by accident Obsidian Flames reverse holos use SV-era galaxy patterns rather than the classic holo swirl
Illuminor SzerasIlluminor Szeras sacrifices creatures to make mana, which can help you get to some of the awesome high cost cards in the deck a bit sooner, but may stumble if you can't find card advantage to make up for the things you're sacrificing and ramping out
Here's the full card list for the Wugtrio ex starter deck: Tentacool x2 Tentacruel Buizel x2 Floatzel Wiglett x2 Wugtrio ex Tatsugiri Dondozo Rattata x2 Raticate X Speed Pok Ball x2 Professor's Research x2 Iono If you're looking for fat to trim in this deck, you can easily cut the Rattata, Tentacool, and Buizel lines, which are largely just taking up space
She's a very strong card as a result and it'll be great to see her on the battlefield, wreaking havoc on some poor hapless mage foolish enough to face her
Not competitively, but I can see myself building a deck around Rubinia Soulsinger if I pull one in a dollar pack at my LGS
