Thats basically what Master Transmuter does, because while it costs four mana for a Blue 1/2, its ability lets you swap things around
The strategy is to play cheap, evasive creatures on turn one, use them to get Yuriko into play on turn two, and then use cards like Brainstorm or Senseis Divining Top to manipulate the top of your library, ensuring you reveal a high-cost card like Draco (16 mana) or Blinkmoth Infusion (14 mana) to deal massive damage to the entire table at once.
If you can, then Gibbering Fiend is a decent option for chipping at your opponents life
An aristocrats theme where youre using your Slug tokens as cannon fodder for your sacrifice outlets could also work
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