The earth chooses where to open: three sinkholes appear on random empty squares in your opponent's half. Any enemy piece except a king that steps onto one plunges out of the game. They stay open the rest of the match.
You draft Sinkhole in Buff mode. Passive: it works on its own the whole time you hold it, with nothing to activate.
As a attack card, it removes or detonates a piece directly.
“The ground had other plans.”