Suddenly, all that discard, land destruction, and card drawing they've used has backfired, as they find themselves at a low life due to Necropotence, with two (or less) lands in play, no creatures, and no cards in hand
Oliver only had a single Teferi in the sideboard, so he could have played four instead of adding a color if he just wanted three-mana planeswalkers, but Oko is enough better to justify adding another color and playing a maindeck Breeding Pool in his Jeskai deck
This guy will swing in immediately with haste, and Clone with haste is really nice, because you can often hit first in the Clone Wars
Kill a giant creature, have Lazav become a copy of it, block, and profit
Released in 1993, Arabian Nights was inspired by One Thousand and One Nights, taking various characters and locations from the folktales