Lullmage Mentor

Two engines bolted to one Merfolk lord-shaped frame, each feeding the other in a way that almost nobody builds toward by accident. The first half rewards a control deck for doing what it already wants to do: every counterspell you resolve spits out a 1/1 Merfolk, so the soft tax of holding up interaction turns into a slowly assembling board. The second half is where the design gets greedy: tap seven untapped Merfolk and you get a free, repeatable counter with no mana cost attached, a hard answer printed onto the battlefield rather than your hand. The trick is that those seven bodies are exactly what the first ability manufactures, which means the card is designed to bootstrap its own win condition. Counter a spell, make a token, counter the next, make another, until the count crosses the threshold and the activated ability comes online for free. From there the loop can build toward a lock: each activation taps seven Merfolk and nets only one token back, so you need the first ability to keep refilling untapped bodies faster than you spend them before you can counter again. The friction is the body itself. A 2/2 dies to almost everything, and the whole construction collapses if it never sticks or if you cannot field enough small blue creatures to reach seven. It asks for a dedicated tribe rather than a splash, which is why it lives as a build-around centerpiece rather than a card you slot in for value.