Tilonalli's Summoner #121

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) Whenever Tilonalli's Summoner attacks, you may pay XR. If you do, create X 1/1 red Elemental creature tokens that are tapped and attacking. At the beginning of of the next end step, exile those tokens unless you have the city's blessing.