You put the creature spell on the stack, which causes its cast trigger to happen
If you can average a 0/1 a turn then this is great as a token producer but I suspect that is very hard to do
Remember I suggested that you draft the cards before playing, not build your deck around it, so that you don't build a Pebbles deck to abuse this
When you build a successful product it can be easy to stagnate and repeat the same things that brought you success in the first place, but Pokemon constantly innovates, which I think had led to its long term success
FromTheShire: Drain effects are always great, it's cheap, and it expands the kinds of things black can sacrifice for value
What once was a $0.31 card is now selling for over $2.50, according to TCGplayers Market Price figure