For three and one blue you can have someone draw a card
A black-red hybrid card, for example, is playable in blue-black, black-red, and red-green
Well, that and the time to be played more than once as far as the speed of older formats is concerned
It does nothing for loss of life sadly, though
Whenever one of these Penumbra creatures die, you create a black creature token that's the same creature type, power, and toughness as the dead creature
Garfield's response to seeing Llanowar Elves for the first time was reportedly "That's not at all what I had imagined." All artwork was used, to the point that new cards were made for unused artwork (like Bird of Paradise)