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Ghalta, Primal Hunger is an old beefy beater, and similar to Phyrexian Dreadnaught he can come out for very little mana, but this guy can technically stay around, and only costs GG if you have a few bodies out

An Epurrely Plump with multiple Purrely Sleepy Memory attached draw a card for each, then Purrelyeap

Even with several similar effects already out there, Kitsunes Technique is the lowest cost when Sneaking and is the only one to round up instead of down without being tied to an additional cost or being on a creature

Just be sure to research and set realistic starting prices, so you dont lose money on the sale