It doesn't sound explosive, but it gives you a way to bypass the standard restriction on how many lands you can play per turn
Karametra, God of Harvests As we have discussed many times, this is a color combination with serious love for creatures
While Grave PactGrave Pact technically isn't a sacrifice outlet, it will give us extra value for our creatures dying
While it's clearly too late to pick up Werewolves, the same thing is likely to happen against with Vampires in a couple of months once Innistrad : Crimson Vow spoilers start
Not to mention this token gives some really good keywords, even if the stat-boosting effect is relatively tame
when you need to make a ton of Zombies in a hurry, this is one of the few ways to produce those en masse at instant speed