Impression sans Lendemain

Put a debt counter on Impression sans
Lendemain : Add a mana of any color to your
mana pool.
During your upkeep, you must pay {1} for every
two debt counter on Impression sans Lendemain
(rounded up). If you fail to do so, destroy all
lands you control.
{1} : remove a debt counter from Impression sans Lendemain. Activate only as a sorcery.