Infused Arrows

The repeatable -X/-X engine that paid for itself in the cost of casting. Sunburst turns the cast into a deckbuilding question: every color of mana you route through it becomes a counter, so a five-color manabase loads it to four charges while a mono-colored deck gets a single shrink and not much more. That ceiling is the whole tension. The counters are a finite resource that only ever decreases, so each activation trades killing something small now against banking the charges for one decisive shrink later. Nothing reloads them; once they are gone, you have a tapped artifact and a dead line of text. It reads as flexible removal, but the math is unforgiving: a four-counter copy can kill one large creature or four tiny ones, never both. What makes it a genuine design artifact rather than a curiosity is how cleanly it ties the activated ability's power to the colors of the deck that wants it, rewarding exactly the greedy fixing that a fair removal piece usually punishes. It is the kind of color-matters reward that wants a manabase built around producing as many colors as possible, which is also the manabase least interested in spending four mana on a repeatable creature-shrinker.