first edition mark on pokemon cards 1999 Pokémon 1st Complete Set Could Fetch $750k at Auction 1st Edition (TCG) - Bulbapedia,

The token copies exactly what was printed on the original creature and nothing else, except it's a 1/1 (unless that creature is copying something else

Siren Stormtamer is a pseudo-counterspell that enables Wizards Retort and allows you to fight removal even when theres a Teferi, Time Raveler on the battlefield

Yes, play boosters could have The List cards

If you destroy some of your own permanents with Convert to Slime, they'll go to your graveyard in time for their types to be counted for the delirium ability

Extended would have suffered a similar if less dramatic fate if Skullclamp had not been taken out in advance, allowing players to combine the card with such ideas as Cabal Therapy