Errors/Lockup with Awaken+Harness the Storm

I've been getting a number of bugs when playing Awaken cards with Harness the Storm. here is an example game:

Playing vs Zendikar Incarnate in Story Mode

I cast Harness the Storm
(Note that in between the following spells, my opponent is taking turns to cast creatures)
I cast Roil Spout (full awaken mana), I get no tokens.
I cast Clutch of Currents (full awaken mana), I get no tokens.
I cast Roil Spout (full awaken mana), I get no tokens.
I cast Roil Spout (full awaken mana), I get no tokens.
I cast Day's Undoing
I cast Rush of Ice (full awaken mana), I get token creatures.
I cast Clutch of Currents (full awaken mana), I get token creatures.
(The end of the game happens like this:)
I attack with my 6/6 Island tokens
Opponent casts Act of Treason
Opponent attacks me with my 6/6 Island tokens
My turn begins
Game locks up.