Oltarc, The Stormlord

Protection from White, Red and Green.
Oltarc, The Stormlord doesn't untap during your
untap step unless you pay {u}{b}.
Whenever Oltarc taps or untaps for any reason,
put a Judgment counter on target player. At the beginning of each upkeep, target player may sacrifice a permanent for each Judgement
counter on them. If they don't, they lose 5 life.