Thoughtbound Phantasm
A wall that wants to grow up. The defender keyword fixes a 2/2 in place as a pure blocker, but the surveil trigger gives it a path off the wall: every surveil stacks another counter, and three counters flip the switch that lets it swing. The design ties an aggressive payoff to a mechanic built for smoothing and graveyard-setup, one that never asked to be an attacker, which is the whole tension here. A deck that surveils steadily already churns through the top of its library for value and fuel; this converts that incidental churn into a clock, asking nothing more than what the deck was already doing. Note the narrowness of the trigger: only the surveil keyword counts, so scry, ordinary card selection, and top-deck shuffling do nothing to advance the climb. The breakpoint is the pacing mechanism. It has to clear three counters before it registers as an attacker, so the early turns are spent holding the ground as a defensive body while the engine spins up, and the surveil rate alone decides how fast a one-drop becomes a threat. What sharpens it is that the counters persist in a way a one-shot pump never does: bounce it and you reset the climb from zero, but a sweeper that leaves it standing leaves a fully grown attacker behind. It turns a mechanic's quiet upside into a one-mana win condition that pays out over several turns rather than demanding a payoff card of its own.

