Concealed Courtyard, Spirebluff Canal, Blooming Marsh, Inspiring Vantage and Botanical Sanctum reprint MTGs offering of enemy fast lands - land cards that can be tapped for either of two mana colours, but enter the battlefield tapped unless you control two or fewer other lands
With the hybrid mana change, the number of decks that can run this incredible protection piece will skyrocket
Once you've developed a solid battlefield, Porcelain Gallery turns all your tiny creatures into a massive horde of giant creatures
Basically (because I know the wording of the attack might sound confusing), you have a 50% of dealing 150 damage to each of your opponents Pokmon on the field
Once in play, Cavern of Souls can be tapped for one mana of any color, but there's a catch