They copy themselves for each spell cast before it, so it's possible to cast enough spells to burn all your opponents with Grapeshot, or mill them all with Brain Freeze if you're able to cast a ton of spells in one turn (made easier with the Hullbreaker Horror combo)
Even if your deck just distributes +1/+1 counters, bouncing two creatures for 4 is fine
(NASDAQ: HAS), has released the highly anticipated Magic: The Gathering set
Additionally, this deck can exhaust its hand fairly quickly or end up with dead-draw Mountains in the hand
This is why I usually do it the other way around, making sure that the Pokmon and the background that it stands against are up to the same level of quality
E4 Cards & More: A Bend, Oregon Game Store E4 Cards & More is at the Bend River Promenade in Bend, Oregon