when a spell or ability an opponent controls causes you to discard sand golem, return sand golem from your graveyard to the battlefield with a +1/+1 counter on it at the beginning of the next end step.
when a spell or ability an opponent controls causes you to discard sand golem, return sand golem from your graveyard to the battlefield with a +1/+1 counter on it at the beginning of the next end step.