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Nissa, Worldsoul Speaker $10.36 Energy isnt in the main Aetherdrift set, but Nissa, Worldsoul Speaker comes in the Living Energy precon and is a good energy generator and energy sink

Atraxa, Praetors Voice has a huge host of impactful keyword abilities and allows you to proliferate at the end of every turn

Monsters that can fuse are specifically shown on the cards of monsters that can be brought out by fusing (this is called a Fusion Monster Card)

Essentially once your lands tap for two and you have six of them the Palinchron becomes infinite mana and storm count

Its a very versatile ramp card, and its a lot of fun to build around too