Shenanigans can be pretty common in Temur colors, which feature the majority of draw effects, mana generators, and instant and sorcery synergies in the game
They can't choose to sacrifice an artifact and then fail to do so while they control a creature
Each opponent will know the decisions of previous opponents in turn order when making their decision
What does Piloswine evolve from
This is the kind of deck where an artifact that will copy your Harnfel, Horn of Abundance might make sense, though Red does also have ways to make token copies of creatures
On the other hand, Fearless Pup and Duskwielder are very low-value one-drops and I dont expect them to have a large impact on the format (especially because one-drops are supposed to get better in multiples, as the decks that use them best want to wheel them and obtain a critical mass)