Excavator

A repeatable evasion engine built on a strange premise: it turns your own basic lands into landwalk grants. The mechanism is borrowed from the era's preoccupation with landwalk as an aggro tool, but where most landwalk was a static keyword stapled to a creature, this hands the keyword out on demand to whichever attacker needs it, matched to the type of land you feed it. Sacrifice an Island and your creature becomes unblockable against anyone with an Island in play; sacrifice a Mountain and the threat shifts to anyone controlling a Mountain. The cost is steep enough to define the whole card: each activation eats a basic land and a tap, so you are dismantling your own manabase to push a single creature through for one turn. That self-cannibalizing rate is the design's central tension. It works best when the lands are already spent or expendable, and it punishes greed. It also exposes a quieter truth about landwalk as a mechanic: it was always a coverage gamble, useless against the wrong land types and devastating against the right ones, and this card simply lets you pay to choose the right ones on the fly. A solution looking for a problem in most games, an attractive trick in the narrow ones where an opponent's lands share a type with the basics you can afford to throw away.