Very basic (M2010 level) question

[Atwa]

I was playing a M2010 draft online and I got in this situation:

He has a Palace Guard, I got a 5/5 and a 4/4 with trample.

My question: If the guard blocks both creatures. does he lose 4 life from the trample damage (the 5/5 will be lethal for guard) or does my opponent get to assign both the 5/5 damage and the 4/4 trample damage to the guard and lose 0?

I was actually baffled, in 12 years of playing magic, this scenario never came up...

[dorsch]

You might assign 0-4 damage from the 4/4 trample to your opponent.


702.17b The controller of an attacking creature with trample first assigns damage to the creature(s) blocking it. Once all those blocking creatures are assigned lethal damage, any remaining damage is assigned as its controller chooses among those blocking creatures and the player or planeswalker the creature is attacking. When checking for assigned lethal damage, take into account damage already marked on the creature and damage from other creatures that’s being assigned during the same combat damage step, but not any abilities or effects that might change the amount of damage that’s actually dealt. The attacking creature’s controller need not assign lethal damage to all those blocking creatures but in that case can’t assign any damage to the player or planeswalker it’s attacking.