It may be that both characters end up being banished in the same challenge
Sephiroth, Fabled SOLDIER / Sephiroth, One-Winged Angel Here's what aristocrats looks like these days
Mangara, the Diplomat With [c]Managara, the Diplomat[/c] in play, your opponent will be incentivized to hold off on casting multiple spells per turn and attacking with multiple creatures per turn
It doesn't copy whether that permanent is tapped or untapped, whether it has any counters on it or Auras or Equipment attached to it, or any non-copy effects that have changed its power, toughness, types, color, and so on
Do you have MTG cards you want to sell
Most notably, Sisay's activated ability can be used if you pay one mana of each color, tutoring for a legendary permanent with a mana value less than Sisay's power, putting that card directly into play