Then draw a card if it has seven or more phyresis counters on it
Number One Everyone's favorite four color landfall legend, is this 4-drop 4/4 which is a cantrip and draws and then landfalls into a 4 life gain, then making 4 mana to ramp, and then shooting everyone else and their planeswalkers for 4 damage the third time it resolves
It all started with a bunch of dedicated Magic players voting over 56k modems back in 2003, and that's beautiful.
Tenacious Pup from Alchemy: Innistrad
The -2 ability, allows you to sacrifice a creature in order to destroy another creature or planeswalker
What's great about this is that you'll be getting to incubate for every creature you cast and incubate twice whenever you cast things like Essence of Orthodoxy, Converter Beast, or Norn's Inquisitor