If you cast a spell for another cost "rather than pay its mana cost," you can't choose to cast it for any alternative costs
Infernape will, no doubt, struggle with its debilitating Weakness to Kingdra and its reliance on PokePowers, but it is powerful and will counter Metal and Grass decks
Gecko Moria Going Second Turn 1 (2 Don): , Brannew , or Rosinante
This style of card would go on to appear in many sets, running all the way through the EX series era
FINAL FANTASY VI through FINAL FANTASY X : Blend of fantasy with other genre-worldbuilding elements, wider casts of characters, and a customizable party
But you can buy older cards that were printed far less than these modern sets and are slowly rising in price and demand