Ridikar, Lifeflute Meditator

Ridikar, Lifeflute Meditator enters the battlefield with 5 meditation counters on it.
As long as Ridikar has a meditation counter on it, it can't attack or block.
At the beginning of each of your upkeeps, remove a meditation counter. Then if there are no more meditation counters on it, choose one. You gain 10 life, or return target creature card from your graveyard to the battlefield.