Since you can salvage a Train from your Graveyard in the End Phase after it's sent there, prioritize sending it when detaching as Xyz material
Unless I'm mistaken, Markov Baron is the only card with both madness and convoke, so when your mana is tapped out and you're faced with a Mind Rot or need to crack a blood token, three creatures can save this baron, it's sweet
I would require destroying four enchantments (no "up to", compare Hex) and drop the life gain down to 1 or maybe 2 per enchantment, using Fracturing Gust, Paraselene, and Cursebreak as references
If you focus on flats, then you have the 1996 bandai club sticker seals which came before and are the true rookies
Practically every other white card was the level 7 Digimon that you already wanted to evolve into those being Omnimon in most cases
Once a Pokemon is Poisoned, it will keep losing HP until its cured or knocked out