Coursers' Accord
Populate has a chicken-and-egg problem built into the keyword: it copies a creature token you already control, which means it does nothing until something else has put a token on the board first. This sorcery solves that bootstrapping in a single line by making a 3/3 Centaur and then immediately copying it, the most literal possible demonstration of how the mechanic is supposed to read at the table. Make the token, then double the token you just made. The catch lives in what gets doubled: a 3/3 with no abilities is the kind of token whose value comes from being copied cheaply off some other, bigger effect later, not from the doubling happening here at full retail. Paying six mana to stamp out a vanilla beater twice is a steep premium when the whole appeal of populate is copying something more frightening than a vanilla beater. So the honest read is a common-rarity bridge into a token-and-populate deck: a card built to teach the keyword and to hand a board-flooding strategy a body it can copy from richer sources. It does the most unglamorous job in its slot, with no pretense of doing more, and that modesty is the point. The training-wheels version of a mechanic whose exciting payoffs lived elsewhere has to exist so those payoffs have something to chew on.
