(If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When Polukranos becomes monstrous, it deals X damage divided as you choose among any number of target creatures your opponents control
Now tell me that doesnt sound exactly like grade school
Giving a -1 toughness debuff (and thus killing!) your own creatures is actually a worthy sacrifice in this case, letting Skullclamp draw you two cards for the best rate this side of Ancestral Recall
Furious Rise gives you a form of impulse draw, but Sram and Akiri can each give you more than enough straight draw on a turn-by-turn basis to compensate for it, too
Gramma Tala, Spirit of the Ocean is a seven-cost card that has excellent stats: with four willpower, a whopping eight health and the option to quest for two lore
A handful of cards including Stage 1 Pokmon Vaporeon were revealed in the Mythical Island trailer, and it's this card that could turn those several successful coin flip turns into practically an instant win