Marjhan

{5}{U}{U} · Creature — Serpent

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

Motor: se resuelve a mano

Rulings (1)

The ability that untaps it during your upkeep has been returned to an activated ability. There is no restriction on how many times it can be untapped during your upkeep with this ability.
Wizards of the Coast · 2008-05-01