{seance} populate combo, {cathars crusade}, {primordial hydra}. I keep finding and tossing combos in my junk deck :)
Make a hydra token that comes in with a single counter and then populate the heck out of it nice. I'm also making a junk graveborne type deck but I think you could do better than the hydra, put in some sublime and craterhoofs :)
Way ahead of you, also {jarads orders} and {lotleth troll} to throw it all away
I'm using a couple of jarads orders already but the lotleth was something I hadn't taken into account I might add a couple