Marjhan doesn't untap during your untap step. {U}{U}, Sacrifice a creature: Untap Marjhan. Activate only during your upkeep. Marjhan can't attack unless defending player controls an Island. {U}{U}: Marjhan gets -1/-0 until end of turn and deals 1 damage to target attacking creature without flying. When you control no Islands, sacrifice Marjhan.