in pvp, I've witnessed the following:
-opponent adrenaline a poisoned creature
-opponent use freeze/basilisk blood on my adrenalined frog instead of the relaxed one (otherwise identical)
-opponent freeze/snipe/BB one of my creatures, and then rewind it that same turn
-opponent continues to play (super)novas without using the quanta produced even after I play 2-3 black holes.
-opponent buffs his creatures while I have sundial out
-opponent plays malignant cell on one of my frogs while I have empathetic bonds out, and he has no shield. I won with an EM after trailing by well over 50 health.
-opponent plays 1 unstable gas a turn, and I steal one unstable gas a turn. He plays 6 over the course of the game, and I match every one with a steal. They don't call it learning from EXPERIENCE for nothing, dude.
-I play wings. opponent fractals frog instead of cockratice.