Meren of Clan Nel Toth [Commander Masters] Sphinx Wizard reveal an additional card from

reveal an additional card from the top of the Horde's library

“For the glory of Phyrexia

it broke down the crypt door and sought new sustenance

and it keeps growing larger

Meren of Clan Nel Toth [Commander Masters] Sphinx Wizard reveal an additional card fromSet: Commander Masters Type: Legendary Creature Human Shaman Rarity: Rare 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 mana value is less than or equal to the number of experience counters you have, return it to the battlefield. Otherwise, put it into your hand.