what cards are legal in pokemon tcg Is my Deck LEGAL? Format Legality & Restricted Cards

Theory crafting is important because it keeps you ahead of the meta

Other than violently stripping your opponents lands, you could instead look at Flametongue Kavu, Pyrogoyf, Inferno Titan and the like, and play a lot of haste enablers

Mana Vault Description : Mana Vault is an artifact that taps for three colourless mana, but it comes into play tapped and requires paying four mana during each upkeep or untap step, or else it deals one damage to its controller

Gideon Tap three untapped creatures you control: Exile target tapped creature

If you were to have a land type count as that color instead, you would allow Mtenda Lions and such, but disallow many more things