Vitalize

Untapping your whole team for a single green mana reads like a combat trick, but the payoff is reuse: tap a board of mana creatures, untap them, and pour the second helping of green into something explosive the same turn. This is where the spell earns its mana, in builds wrapped around creatures with tap abilities rather than ones hunting for an ambush block. The instant-speed timing splits one board across two phases: swing with everything, then refresh for defense, or let a wall of mana dorks fund a spell twice. On an empty battlefield it does nothing, which is the trade green accepts for the one-mana price: the payoff tracks the engine you assembled before casting it, nothing more. Its closest design kin are the cards that turn creatures into mana, where untapping the whole crew reads as drawing a small pile of green all at once. The spell never builds the machine; it pulls the lever a second time, so it pays off only once the tapping half of the plan is already on the table.