The con is that six wildcards is a pretty small number, plus it takes a long time to fill the vault unless you buy packs like crazy
This can be very handy early on to help gain a competitive advantage over your opponent, and is especially powerful in limited formats where that sort of a thing is hard to come back from
For just two mana you get a solid removal spell, blowing up any creature with a power three or less
Credit: Wizards of the Coast Homunculus Horde BPhillipYork: This seems good on paper, and it certainly could get entirely out of control, if you can draw cards on each players turn, and draw 2 cards on each players turn
Yes, your opponent can send it back, but when they do sacrifice a land to copy it, theyll only be doing that to bounce one of your cards around a third of the time, and the rest of the time it might actually be good for you that its happening
The Infamous Cruelclaw I couldnt simply ignore the Infamous Cruelclaw