Metallurgeon

This land enters tapped. T: Add W, U, or B.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Whenever a creature you control attacks alone, you may tap target creature.

This creature can't be blocked.

Equipped creature has deathtouch. Whenever equipped creature deals combat damage to a player, that player loses half their life, rounded up. Equip 3

Flying, haste At the beginning of the end step, sacrifice this creature. Unearth 4R (4R: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Flying

+1: Creatures you control get +1/+1 and gain haste until end of turn. −2: Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. −6: Create five 4/4 red Dragon creature tokens with flying.