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The Banisher of the Light card banishes cards sent to the Graveyard, therefore the dog dies.
it is enough to show one example to proof the claim "outstanding dog marron can die"
and this proofs that the main claim is wrong
The Imperial Iron Wall card prevents either player from banishing cards, therefore the dog stays.
The Trap Stun card negates all other trap card effects, therefore the dog dies.
The Trap Master card can destroy a trap card, therefore if it is played and the Trap Stun card is selected, the dog stays.
Trap Master can only be flipped during your turn or by the effect of another card. Since no card has been activated to trigger such an effect, Trap Master cannot be activated in response to Trap Stun. Therefore, the dog dies.
Trap Cards, and their effects on the field, cannot be activated. Negate all Trap effects on the field.