One key distinction though, is that while the card is in your hand, the nonland side is the one in front
Too bad, the Peacekeeper's here
I wanted them to put their own creativity into it
Making a second mouse with Offspring is obviously useful here, and if you've got loads of combat tricks, you could use one on the original creature, then one on its babby to give your entire mouse army a two-power buff
As long as you're not getting mana screwed by your card draw, this is a pretty consistent way to proliferate
Personally I think it makes for more interesting strategy, but if the aim is to carve out a competing slice of the online CCG space, the complexity this adds may still prove to be an obstacle