This card is pretty expensive in terms of mana cost but it proves to be valuable in decks that utilize a lot of counters since it can use those counters to draw cards and create tokens
Finally, the deck features removal spells like Despark, Hero's Downfall, and Swords to Plowshares, as well as enchantments like Planar Disruption and Sinister Possession that can disrupt your opponent's strategies and remove troublesome threats
This means if we're going to play Invasion of Karsus over other competing options like Brotherhood's End and Anger of the Gods, the backside is going to have to make up for this inefficiency
While Sidisi only costs two, you do need a creature other than it in play to do the thing, and that creature is from your yard
It is also one of the best noncreature spells Modern got
Aside from that these are your typical precons, minus a pretty minor printing issue that Ill cover in a bit