Starter tip: Begin with ~40 % lands (24 in a 60card deck) and adjust after a few test hands
What Pokmon deck are you playing right now- are you chasing the meta or doing your own thing
Blue-Red Delver isnt a bad matchup per se, but it has definitely gotten worse now that Delvers creatures all have flying, and Murktide Regent in particular is an issue due to how quickly it can close out a game
In English, one such card is the 3rd Edition Serendib Efreet, which has the picture of Ifh-Biff Efreet from Arabian Nights instead
Barrin, Master Wizard (Saga/Legacy/Destiny) Barrin, Master Wizard, though a very fragile 1/1, basically turned every card on your side of the board into an Unsummon
On top of all that, Sun Titan is a 6/6 with vigilance