Meren of Clan Nel Toth [Commander 2015] Condition:Heavily Played Set: Scourge Type: Creature —

Set: Scourge Type: Creature — Insect Rarity: Uncommon Cost: {G} Return an Elf you control to its owner's hand: Untap target creature

where X is the number of +1/+1 counters on Chasm Skulker

"One day the land will don the semblance of flesh and challenge even the plowshare's blade

Also …”

−3: Destroy target creature

Meren of Clan Nel Toth [Commander 2015] Condition:Heavily Played Set: Scourge Type: Creature —Set: Commander 2015 Type: Legendary Creature Human Shaman Rarity: Mythic Cost: {2}{B}{G} Whenever another creature you control dies, you get an experience counter. At the beginning of your end step, choose target creature card in your graveyard. If that card's converted mana cost is less than or equal to the number of experience counters you have, return it to the battlefield. Otherwise, put it into your hand.