If youre able to leave 6 Mana available, spending 4 for a blocker, and 2 to draw a cards from the subsequent life gain is a good way to stall the game as you dig into your deck for answers
The fate of the Slug is irrelevant
The reverse-foil pattern is also different than it was from previous sets, although this tends to change rather often, so its not particularly surprising
Mega Venusaur Ex #177 (Pokemon Mega Evolution | Pokemon Cards) prices are based on the historic sales
If you can play "OP06-081 Absalom" or deploy "OP06-098 Thriller Bark" while using cards to lower your opponent's costs, you will be able to maintain your board advantage while using your DON
To figure out how rare your Pokmon card is, look for the symbols in the bottom right corner of your card and if you have a lot of cards, then you should become familiar with the Pokmon card rarity indicators, as well as the different sets and booster packs in which your cards were released