Probably normal 1vs1, whit 6 or 8 units, but i admit the idea of a trap-sudden death tournament, is like lols , you need to plan a plan for a plan of a failed plan, who will have a 50% chance of failing because random traps, and the hp drowning if like you can`t camp muahahahaha you will die because you have to die! and the battles won`t take a very long time to end.
16 entries is a good number, as falaflame said we have the people
16 entries is a good number, as falaflame said we have the people