Reaper of Flight Moonsilver

Delirium on a sacrifice outlet is a strange fit for an Angel, and the discord is the design point. The pump line stays switched off until your graveyard holds four different card types: creatures, instants, sorceries, lands, whatever spread you can assemble. Before then the ability does nothing, leaving a flyer that only attacks and blocks. Once the threshold trips, the calculus inverts: the count is already met, so every spare body on your board stops being a resource to protect and becomes fuel to spend, each sacrifice buying a +2/+1 that shoves the Angel past defenders or breaks open a race. The tension is between wanting creatures alive to hold the ground and wanting them fed into the outlet, and the reward goes to a shell that treats its own board as ammunition rather than an endpoint. Most delirium of this era was pointed at value, recursion, and cheaper spells; this one bends the keyword toward combat, converting an accumulated graveyard into a permission slip for a threat that grows the longer a game grinds. It scales with attrition instead of fizzling into it, which is a rarer thing to ask of an evasive white beater than the modest 3/3 starting body suggests.