Bone Pit Brute

The enters trigger fires the moment it arrives, during your main phase, which lands the +4/+0 on any creature you choose—typically an attacker you plan to send that turn while the Cyclops itself sits out its first combat, having no haste. That split is the point. The pump wears off at end of turn and adds only power, so the value is spent entirely on the alpha strike you make the turn this hits play, not on propping up a defender for the swing back. On every turn after, the menace body carries the pressure alone: at 4/5 it forces a defender to commit two creatures or eat four, and even a two-for-one block still has to trade favorably to bring it down. Because the buff fires only on entry, it reads as a tempo bump rather than a repeatable engine, and the six-mana cost keeps it in the late-curve slot. This is common-rarity top-of-curve arithmetic: a red closer for a board that has ground into a stall and needs one clean push plus a resilient beater to finish. The text does two simple things, one now and one later, and asks nothing of the rest of the deck to do them.