This combo will happen less then 10% of the time, the deck really won't hold water against any capable aggro, esper, or any other type deck. You most likely won't have the creature to hit with, not get the hidden strings which is key - or something with counter a key aspect of your combination without you having something to protect yourself for a long game. It does look cool if it could work...maybe you end up having a niv magus elemental strong enough to retain defense....and maybe between that and the cyclops you could hold off an aggro deck for a successful attack...though I doubt it.
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Wild beastmaster with counters is pretty good, if your lucky and hit a blessing on miracle early you could have a 5/5 that just gets bigger throughout the game, mindshreiker is a great 2 drop, it starts to deck off your opponent, so late in the game it could be pretty tough to beat and kill....pretty much the key tactic is to wait until turn 4 or 5 if you have a dragon to see if you can biomancer it closer to 5 counters, so by turn 5 or 6 your pumping out 3 one drops that get huge quickly.
You can't fetch shock lands with a boundless realms, so I added the forest only one and basic lands