FiendMaster said:
Let's say that my opponent life point is 1500. I have 2 monsters on the field and my opponent has none. On his next turn, he special summon BLS-eob, I responsed by activiating Ceasefire. Does this end the duel? ( 3 monsters on the field x 500 damage each = 1500 lp) or does the turn player (my opponent) get his priority first and remove one of my monster thus leaving just 2 monster and a damage of 1000lp only.
The duel will be over. Removing the monster from play is NOT a cost to activate 'BLS-EotB' 1st effect. The opponent WILL have priority when summoning 'BLS-EotB' to activate the effect, THEN you can chain with 'Ceasefire'. 'Ceasefire' resolves 1st, so it's just as you said 3 x 500 = 1500, bye-bye opponent.
maestro satori said:
to win this duel
player a has 2 face down effect monsters
Not quite. You can activate 'Ceasefire' even if there are NO face down monsters on the field, BUT at least 1 monster on the field MUST be an effect monster. The flipping part of the effect would not happen, but the inflict 500 damage for each effect monster would still happen.
FiendMaster said:
same case, if my opponent summon Exiled Force and I activiate Ceasefire, is the damage still 1500 or is it only 500 since he would use Exile's effect first, thus leaving only 1 monster left on the field.
This time priority DOES help the turn player.
When they summon 'Exiled Force', they have priority to activate the effect of 'Exiled Force', THEN you can chain 'Ceasefire'. Now, the effect of 'Exiled Force' does have a cost, you must tribute 'Exiled Force' in order to activate the effect. So in this case 'Ceasefire' being chained to 'Exiled Force' would only yield damage of 1000 points, since 'Exiled Force' is no longer on the field when 'Ceasefire' is activated/resolved, BUT there would still be 2 other monsters on the field since 'Ceasefire' was chained to 'Exiled Force'.
Scenario:
Player A has two face-up effect monsters and a set 'Ceasefire' from a previous turn.
Player B summons 'Exiled Force' and uses their priority to activate it's effect. 'Exiled Force' is immediately sent to the graveyard, and Player B chooses the monster they wish to destroy with the effect.
Player A chains to the effect of 'Exiled Force' with 'Ceasefire'.
Resolution:
'Ceasefire' resolves 1st. No monsters are flipped face-up, but it DOES inflict 500 points for all effect monsters on the field, in this case the only ones left are both of Player A's, so 1000 points damage will be inflicted.
'Exiled Force' effect will now resolve and the selected monster will be destroyed.
Hope this helps.