Mr. Chedda

Mr. Chedda enters the battlefield with X Cheese Tokens on him.
At the beginning of your upkeep, you may pay {x} + {1}. If you do, put X Cheese Tokens on Mr. Chedda. Each opponent loses 1 life for each Cheese Token created this way.
{t}{g/w}{g/w}, Mr. Chedda has +1/+1 for each 5 Cheese Tokens on him.