The 5th Booster Pack, featuring the Skypiea Arc and the Revolutionary Army
Often worth that risk
If it was cast by Garruk's controller, he or she can choose which one stays and which one goes to the graveyard.) (Note that as Clone enters the battlefield as a copy of Garruk, it will have 3 loyalty counters, because that's a property of the Garruk card.) It was possible to have Clone remain on the battlefield even under the old rules, but it required a much more contrived set of circumstances
If an affected permanent changes controllers before its old controller's next untap step, this ability will prevent it from being untapped during its new controller's next untap step
You can also grow this dog quickly or use its counters as artifact hate
However, there are a few exceptions, as Egyptian God Slime and Gameciel, the Sea Turtle Kaiju, are great control tools that can be crucial to disrupting the opponent's board