Palladia-Mors, the Ruiner
Legendary Creature — Elder Dragon
Flying, vigilance, trample
Palladia-Mors has hexproof if it hasn't dealt damage yet.
Sister of Nicol Bolas. Survivor of the Elder Dragon War. The most vicious of her kin.
Svetlin Velinov
Core Set 2019 (M19)
• #219Rulings
If Palladia-Mors leaves the battlefield and returns, it's considered a new object, even if it's represented by the same card. It has hexproof again until it deals damage.
(wotc • 2018-07-13)
If a triggered ability triggers at the same time that Paladia-Mors deals damage for the first time, targets are chosen for that ability after Palladia-Mors no longer has hexproof.
(wotc • 2018-07-13)
Rulings
If Palladia-Mors leaves the battlefield and returns, it's considered a new object, even if it's represented by the same card. It has hexproof again until it deals damage.
(wotc • 2018-07-13)
If a triggered ability triggers at the same time that Paladia-Mors deals damage for the first time, targets are chosen for that ability after Palladia-Mors no longer has hexproof.
(wotc • 2018-07-13)