Exhaust means you can only do it once per game, but blinking Loot, turning it into soup with Agatha's Soul Cauldron, or recasting him solves this problem
Have fun with it when we can
Speaking of Black Kyurem, worth mentioning the art too, it may not be up to the level of most of this thread, but as someone who loves Zekrom but usually hates Black Kyurem, my first reaction towards it was that it's very cool
Craterhoof Behemoth + Moonshaker Cavalry Craterhoof Behemoth has the best ETB effect in green because it almost always kills at least one player, and often the pod
Once its in the discard pile, a simple VS Seeker can allow you to bring it back when you need 20 damage to Knock Out a Pokemon or when you need to refresh your hand up to 5 cards
Regal Caracal (Secret Lair) There are a lot of cute cat cards, so you know its significant that Andrea Radecks Regal Caracal from the OMG Kitties