Delraich

Sacrifice three black creatures and a 6/6 trampler walks onto an otherwise empty mana curve: that is the wager this Horror offers, and it is a stranger trade than it looks. The replacement cost is paid before the spell resolves, so the discount is real, but the math is rarely free. Three bodies fed into the casting cost convert a wide board into a single threat, which functions as its own kind of acceleration: you skip the seven-mana investment entirely and arrive at a beater the turn you might otherwise sit tapped out. The friction lives in what you spend, since the creatures fed to the cost are often worth more alive than a vanilla-plus-trample body is dead. The card wants fodder whose value you have already extracted: tokens, expended utility creatures, anything you would happily trade away. Where other alternative-cost designs of its era leaned on life payment or a specific reveal, this one prices itself in creature density, which pulls it toward the sacrifice-and-tokens shells that were only beginning to cohere when it first appeared. As a paid spell the body is unremarkable for its mana value. The design assumes you will never pay that mana value, and builds the whole proposition around the assumption that your board, not your lands, is the resource you have to burn.