Ojama Knight's Effect

[LionHeart]

Ojama Knight

LIGHT
Beast/Fusion/Effect
5 Stars
ATK 0
DEF 2500

1 "Ojama" monster + 1 "Ojama" monster.
Select up to 2 of your opponent's Monster Card Zones. The selected zones cannot be used.

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Is this an Ignition Effect or a Trigger Effect?

Also, are the zones you select with his effect still unusable if he is not face-up on the field?

 

[skey23]

"Ojama Knight" is a miniature version of "Ojama King".

All rulings applicable to "Ojama King" apply to "Ojama Knight".