If I start the chain with a Sacrifice can my opponent Defy it? Because Sacrifice has an additional cost of a Mighty unit. Or does Defy only look at printed cost?
If I start the chain with a Sacrifice and my opponent reacts with a Star-Crossed targeting my Sacrifice Mighty unit target, do I get the draw 2 channel 1 exhausted or does Sacrifice fizzle?
3.If I have a non-Mighty unit and I start the chain with a Discipline/En Guarde that makes the unit Mighty, then my opponent reacts with a debuff, can I react to the debuff with a Sacrifice? The chain hasn't resolved yet so my unit isn't Mighty yet, thus Sacrifice's additional cost cannot be fulfilled. (The average scenario would be my 4 Might unit defending and my opponent swings with a 5 Might unit, I play Discipline and my opponent reacts with Frigid Touch repeated, can I react to Frigid Touch repeated with Sacrifice?)