The lower mana cost comes with a worse toughness, but this doesnt matter as much since youll probably attack more than you block with it
If you want to make a custom holographic card, remove the paint from an old holographic Pokmon card you don't want anymore
He's expensive for what he does, and the limitation of only being able to use the mana for artifacts makes little sense in a game where we have Sol Ring, Mana Crypt, Thran's Dynamo, Worn Powerstone, Sissay's Ring, or basically any other colourless mana rock
There are many types of fake cards
Premodern is where goblins show up as a competitive deck, with Gruul making up around 7.5% of the current meta and Mono-Red goblins adding 1% to that number
Thundering Raiju, which dishes out +1/+1 counters as well as damage