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quickly, giving you extra energy in the cost area to drop powerful cards before your opponent can react

As stated above, the Phid stands heads and shoulders above Shadowmage Infiltrator as far as power level

I cant even decide which combination of modes is the best because theyre all so good

Whir of Invention Whir of Invention has a more generic appeal than Reshape or Transmute Artifact, in that it doesnt force you to sacrifice an artifact to use it and has its own built in cost reduction mechanic for tutoring, allowing you to tap artifacts to reduce the cost of X, which in turn lets you pull higher mana value cards from your deck to the battlefield

these are often old spells that provide card draw or ramp for little to no mana

1 Path of Ancestry