Equivalent cards to “Tournament Grounds” (land, taps for W, B, R for Knights/equipment):
- “Secluded Courtyard” (chooses creature type, taps for any color for creatures of that type)
- “Unclaimed Territory” (chooses creature type, taps for any color for that type)
- “Cavern of Souls” (chooses creature type, taps for any color for creatures of that type + can make them uncounterable)
All can fix mana for tribal Knights.