pokemon smeargle card Call of Legends Holo #21/95 – Colorless Live Painting (30+) Reveal any number of basic Energy cards from your hand Pokemon Card - S&S: Fusion

Perhaps if there are dedicated Combo decks that need to copy their own creature, then Mirror Image might be the best choice -- assuming the lifeloss from Phyrexian Metamorph is relevant -- because you are saving a mana thus speeding up your combo

So if you're looking for a cheap way to get the cards your missing, buying singles is worth a shot

Every turn your opponents are forced to either sacrifice creatures or lose life, while your enchantments and damage effects steadily bleed everyone dry

Its a good ability, but as a mono-Green commander theres not quite the amount of death-triggering you might be able to utilise as in, say, Black