Appeal to Eirdu

The pump spell that lets your board pay for itself. Combat tricks live and die by tempo: the two-mana trick that trades up in an attack is doing real work, while a four-mana instant asking you to hold up a fistful of untapped lands mid-race is usually a nonstarter. Convoke rewrites that math by letting the untapped bodies you have already committed foot the bill, so the +2/+1 (spread across one or two creatures) can cost as little as nothing once a few bodies are down. The result is a trick priced like a topdeck reward but flexible enough to split its buff across a double-block or two attackers. What keeps it honest is the give-and-take of tapping: convoke only draws from creatures that are still untapped, so every body you tap to help cast it is a body pulled out of the red zone. The spell asks you to weigh which creatures you would rather have swinging against how much you want to pump the ones that stay. In a go-wide shell the arithmetic almost always favors casting it, since a token or two spent to enlarge a real threat is a good deal; in a leaner board, where every untapped creature is either attacking or blocking, it stays honestly expensive. That sliding cost is the whole appeal: a combat trick that gets cheaper exactly as the board it wants to protect gets wider.