You may cast it this turn, and you may spend mana as though it were mana of any type to cast that spell
In case you don't know the deck, you basically try and spam Mine golem to the field with Block Golem, Grandoil, and whatnot (Usually to bring out Block to get 2) and, if you can, use minefuield eruption to deal up to 3k damage, and you also burn with other cards (Magic Cylinder, Rock Bombardment)
12 Ghalta, Primal Hunger Speaking of discounted casting costs and trample, Ghalta has both of these traits in spades while also being a popular creature type thanks to its Dinosaur status
HP values increased to reflect power creep (Charizard goes from 120 HP to 150 HP), type weaknesses follow contemporary standards, and modern energy symbols replace the original hand-drawn versions