mana drain

[Ender]

i was reading the tourney reports and crazycarl wrote about this situation.

The game goes on for a while, and he goes for Intuition during his turn, and Drains the Force I use on it. He gets his AK's, casts the one for 3 and passes. At the end of his turn I stop to think, then realize he hadn't gone through his attack phase and used his mana during his second main phase. I point this out and it takes a few people to convince him of how Drain mana works with the phases.

can someone explain the reasoning why if the mana drain was used on the first main phase, why he can't use the 5 colorless during his 2nd main?

the only think i can think of is that i may be misinterpreting the fact that he casted the intuition on his 2nd main but maybe you guys see something i don't..

[Jacob Orlove]

No, the point was that he HAD to use the mana on his 2nd main, but thought he could wait until the next turn.

[virtual]

I think it's just a slightly unclear description of what happened.  By my reading, he mana drained the force during his first main phase, cast an AK (not using the MD mana), and then passed the turn, thus implying that he would mana burn the 5 mana during his 2nd main phase.  

He could probably (depending on the level of the tournament), have gone back and used the 5 colorless during his 2nd main phase on learning the rules about mana drain.  I don't think anywhere it said that he couldn't; it seems that he just didn't.  I think he stated that his turn was over though, and in a serious tournament, a case could be made that he should mana drain for the 5 mana.