(2004-10-04) If the chosen artifact costs less than or the same as the sacrificed artifact, you simply put it onto the battlefield without paying any additional costs
But did I leave anything out you are really looking forward to
Pairing it with Zealous Conscript creates an infinitely large army of 3/3 creatures with haste, pairing it with Worldgorger Dragon gives you infinite mana and infinite enter-the-battlefield triggers, and pairing him with Combat Celebrant gives you infinite combat phases
Cultivate always has a place in green decks, and heres the list of other ramp cards in the deck, to get more card draw, forests, mana, or creatures onto the battlefield: This ought to get the deck moving out of the gate
Regardless, outside of blue, I can see people trying this out