Djeru's Renunciation

Tapping is the weakest of the defensive instants: it buys you exactly one combat, leaves the creature untouched, and does nothing once attacks are already declared. So the cleanest way to make a two-creature tap effect (the same job Frost Breath pays more for) worth a slot is to admit it will often be dead and price an exit. Cycling for a single white is that exit. The two-target tap is a genuine tempo swing when you cast it at the right moment: tap down would-be blockers before your combat step to clear a path, keep two attackers home on the crackback, hold up a threat of disruption while representing a swing of your own. But the card's real value is that it never sits useless. When the board doesn't call for tapping anything, it converts to a fresh card for one mana, a cheaper cycling cost than the plainer generic price most commons of its era carried. That trade is the entire design: a marginal combat trick rescued from blank-card status by giving it a cantrip's floor. The instant-speed window matters more than the effect's ceiling, since holding two mana to either shape a combat or replace the card keeps the option open without ever forcing a wasted draw step.