Thespian's Stage

The activated ability is the whole point, and its single most important clause is the one most players read past: the copy keeps this ability. That self-referential exception is what turns a one-shot land-cloner into a permanent identity, because the copy can copy again, and again, on a different target each time. The clean trick is pairing it with Dark Depths: copy Depths, and the copy has no ice counters on it, which sets a state-triggered sacrifice in motion and leaves a 20/20 flying indestructible Marit Lage behind for a fraction of the intended cost. That window matters, because the sacrifice can be answered before it resolves, so the combo is not as airtight as its reputation suggests. But the broader design is the more interesting story. Most land-copy effects of its era were single snapshots; this one is a reusable shapeshifter that can become any utility land currently on the battlefield, then become a different one next turn. It is a colorless toolbox that asks for no commitment beyond the mana to flip it: a Gaea's Cradle when you need ramp, a Maze of Ith when you need defense, a fetchable nonbasic when you need fixing. The price is the balance: two mana plus a tap per pivot, slow enough to telegraph and never getting ahead of a turn cycle on its own. What it offers is optionality with no expiration date, rarer in land design than the rate suggests.