Professor Oak Is the Ultimate Trainer Card As mentioned, the greatest advantage a player can have is to draw as many cards from their deck as possible
Weaknesses[] Their intense reliance on "Necrovalley" and their own effects makes them very vulnerable to opponents who enjoy using Spell and Trap destroying effects and monster card negating effects, so cards to protect "Necrovalley" (such as "Malefic Stardust Dragon"), and traps that can help the player maintain a field and hand advantage over a stronger opponent despite losing access to Monster Card effects amid other things are highly recommended
The last 7-8 years saw this being steadily corrected and now green is hated because it does, well, everything
If you do, you gain 4 life, draw four cards, put four +1/+1 counters on him, and he deals 4 damage to each opponent.) 6/6
We saw something similar in Worldwake, where Walking Atlas was accidentally printed without the word "artifact." Since it's obvious that Walking Atlas is supposed to be an artifact and that Godzilla is a legendary monster, the game rules treat cards like these as though the omitted word was there