Dungeon Crawler

Recursive one-drops that refill your hand for free usually carry a real tax: mana, life, a body fed to a sacrifice outlet. Here the tax is progress. You only get the Zombie back when you complete a dungeon, so its recursion is gated behind a subsystem that costs actual turns and mana to advance, and one this card does nothing to advance on its own. That coupling is the clever part: it turns a cheap aggressive body into a payoff for a mechanic that otherwise struggles to reward you fast enough to matter, without letting the body itself shortcut the work. Enters-tapped is the smaller balancing lever, and not because it slows an attack a summoning-sick creature could never make anyway; it denies you a blocker on the opponent's next turn, and matters most if the card ever arrives with a haste enabler behind it. The role it wants is expendable: throw it into combat or feed it to a sacrifice effect knowing the next completed dungeon hands it back. What separates it from most graveyard-recursion creatures is that its trigger and the deck's engine point the same direction. Venturing is the fuel the card sits downstream of, and the reliably cheap early body is what makes a venture-heavy shell worth assembling in the first place. The two halves reinforce each other rather than living in separate corners of the list.