Magma Basin makes it significantly easier to power up the attacks of many Fire-type Pokmon and can be an important asset in any deck that focuses on a Fire-type main attacker
Mega Flare Mega Flare can make a dragon when you need one, and pick off a handful of other threats, often making this a 3-for-1 card or better
Tepig might need some time to catch up to Oshawott's raw value, but their graded copies will both be worth having
It's the sort of thing that you play and either go off, giving yourself an insane advantage or you hit a Land back-to-back on top
Stopping Seismitoad- EX After its big showing at the US National Championships, Seismitoad- EX ( XYFurious Fists , 20/111) is the card to beat
Whether you're using official clients like Magic Online or MTG Arena, tools like XMage, or playing games in person, playing real matches with a deck is the fastest way to see what is and isn't working