Torpor Orb has no interaction with undying.

I hate zombies. Kill them once and they never seem to stay dead. One Zombie card that has been seeing some Standard play is , a 3/2 with undying that deals out 2 points of life loss every time it enters the battlefield. Luckily, there's a rather unique card in Standard, , that can stop these shenanigans. However, if I thought I could use Torpor Orb to stop the undying ability, I'd be sadly mistaken. Here is a list of things Torpor Orb can and cannot do in this case: Torpor Orb CANNOT prevent

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You choose something new to copy when your Phantasmal Image comes back from undying.

When a copy of a creature with the undying ability dies, the undying ability will trigger and return it to play. This is due to the last known information when the card was in play, which is what leaves-the-battlefield abilities (like undying) look for to determine whether they should trigger. When it returns to the battlefield, it will be a new object with the +1/+1 counter on it, and you choose something to copy at that time. For example, if your is a copy of and it dies (without any counters

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