If someone (even you) were to wipe the battlefield, you can have all of yours back for just one mana, since Mirror Entitys ability gives them all creature types
Witherbloom Charms I am skeptical of interaction that does not get you ahead on mana
For example, Expedition Lookout can attack only if an opponent has eight or more cards in their graveyard, while See Double lets you pick both modes
Box breaks, awesome ceiling Energy pull games + RYTH + Giveaways
Once per turn, at the start of the Damage Step, if this card attacks an opponent's monster: You can banish that opponent's monster until the End Phase, also this card can make a second attack in a row
At the beginning of combat on your turn, creatures you control get +1/+0 until end of turn