You can only use each effect of "Backup Supervisor" once per turn
Finding a No Rarity first edition Venusaur card in mint condition is very difficult, as only five are believed to have been traded ever
In another order, available here , the Court ruled in Konamis favor because the reproduction and/or manufacture of unauthentic cards does not fall within the Approval clause of the 2006 Letter of Intent. Conversely, the Court denied Upper Decks motion to limit its liability
Leaf is a bit better, but its a Supporter which means you cant use it if youve already used a Supporter this turn, so decks that rely on specific Supporters or have lower retreat costs are better running X Speed
They press your advantage by providing extra value in addition to combat damage
However, the opponent, who is less likely to have grass types, wont benefit