Bandai has introduced several new archetypes for Green, including Minks, Fishmen, and Sea Kings
Basically, any deck trying to play fair midrange Magic has a tough time preventing you from completing your plan
I go over a few different ways to do it, depending on what you want from your custom cards
You can pump Hellkite Igniter to infinity and beyond, Hoard-Smelter Dragon becomes 3R: Destroy anything, and you can take every permanent from a player with Hellkite Tyrant
Pokmon Symbol You may encounter some cards that feature a colored symbol of a specific Pokmon rather than a traditional rarity symbol
TCG Pocket's battles are indeed slimmed down a little from the standard real-world ones (and those of the somewhat quaint-by-comparison TCG Live and TCG Online, which replicate the real-world ones precisely)