kyurem v pokemon card price White Boundaries Crossed 102/149 Tcg Lp Regular Rare – Omniphustoys Ultra Rare Card Type Kyurem ex 165/086 - Holofoil

Wilderness Reclamation Wilderness Reclamation might be the simplest mana doubler in the format of untapping your lands

Vampiric Tutor Vampiric Tutor is the best instant-speed tutor and can be cast for only 1 mana, but it has a little downside: You dont put the card directly in your hand

DemonDragonJ on Ranking the Swords of X 4 years ago It seems that someone at Card Kingdom has done the same thing as me, although their own rankings are different from mine (and they even included Sword of Dungeons & Dragons, which I did not include, as it is from an un set)

I can also keep my mana free from other answers, such as countermagic