Budget 200-1,000 euros: the serious investor 1-2 complete French booster boxes from popular expansions (Mega Evolution, Journey Together) 2-3 Pokemon Center ETBs (exclusive editions) 1 entry-level vintage French PSA card (common or uncommon in high grade) With this budget, you can start building a genuine small diversified portfolio
I often find that mono-colored commanders are wonderful introductions into color identity comprehension
The issue is that though there are many cheap decks in Yu-Gi-Oh
Cetoddle WC - Gentle Slap 30 WWWC - Frost Smash 80 Cetitan ex Ability - Snow Cover Whenever your opponent plays an Item or Supporter card from their hand, prevent all effects of that card done to this Pokmon
Gisela, Blade of Goldnight Gisela remains one of the best shut down creatures ever printed
If two or more effects attempt to modify how many counters would be put onto a creature you control, you choose the order to apply those effects, no matter who controls the sources of those effects