(2024-06-07) Umbra armor has no effect if the enchanted creature is put into a graveyard for any other reason, such as if it's sacrificed, if the "legend rule" applies to it, or if its toughness is 0 or less
Sacrifice a snow land: Return this card from your graveyard to your hand
Meanwhile, Thanos can literally remove half of the board with his Power-up mechanic, a new mechanic invented for Marvel Super Heroes
If you had read about the mechanic and realized that there's power with not only arranging the top of your deck but also putting cards into your graveyard as opposed to the bottom of your library (essentially out of reach since there are very few playable tutors in Standard at this moment), you know immediately that Surveil is strong, pushed, or both
Be sure to build a healthy amount of card draw from white or black sources to keep your drain running smoothly and counteract the inherent card disadvantage when removal gets your permanents and auras