Bringer of the Blue Dawn

Two costs, two completely different cards. Hardcast, it asks for nine mana with two blue, and rewards the grind with a 5/5 trampler that buries opponents under an upkeep draw-two every turn it survives. But the alternative cost, one mana of each color, dares you to abandon that math entirely and run a five-color manabase precise enough to land the same engine far ahead of schedule. That clause is the genuinely strange part of the design: it taxes color diversity instead of raw quantity, a different deckbuilding burden than ramping to a generic nine, and it rewards fixing a blue control shell would never otherwise prioritize. What distinguishes this chassis among repeatable card-advantage effects is that the engine is bolted to a hard-to-kill threat rather than a fragile enchantment or an inert artifact, so the same permanent defends itself in combat and refills your hand. The "may draw" wording is a quiet courtesy on top of all that, letting you decline when your library is thin enough that two more cards would become a clock you cannot beat. A single resolved spell snowballs into a lead most opponents cannot race, provided you survived long enough to get either cost paid.