The Siege of Blenkin

At the beginning of your upkeep, each opponent loses 2 life. You gain life equal to
the amount of life lost this way. Put a -1-1 counter on target creature you don't control.
-
"You can hide behind your defences, Sir Bauld,
but you must realise that we'll get in eventually!"
- Kelkerth, the Wrath of Blenkin