Spawnsire of Ulamog Modern Horizons 3 and you may cast the

and you may cast the copy without paying its mana cost

conjure a card named Midnight Clock onto the battlefield

Flying Spells your opponents cast that target this creature cost an additional 3 life to cast

Flying Activated abilities of creatures your opponents control can't be activated

Indoraptor deals damage equal to its power to that player unless they sacrifice a nontoken creature of their choice

Spawnsire of Ulamog Modern Horizons 3 and you may cast theAnnihilator 1 (Whenever this creature attacks, defending player sacrifices a permanent of their choice.) {4}: Create two 0 1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}." {20}: Cast any number of Eldrazi spells from among cards you own outside the game without paying their mana costs.