Emeria, the Sky Ruin [Zendikar]Set: Zendikar Type: Land Rarity: Rare Emeria, the Sky Ruin enters the battlefield tapped. At the beginning of your upkeep, if you control seven or more Plains, you may return target creature card from your graveyard to the battlefield. {T}: Add {W}.

Set: HeartGold & SoulSilver: Base Set Type: Psychic Rarity: Rare Retreat cost: Colorless

then shuffle all cards from your graveyard into your library

where X is Resilient Khenra's power

Set: Archenemy Type: Creature — Skeleton Warrior Rarity: Uncommon Cost: {1}{B} {1}{B}: Return Reassembling Skeleton from your graveyard to the battlefield tapped

change Wall of Tombstones's base toughness to 1 plus the number of creature cards in your graveyard

Set: Urza's Destiny Promos Type: Creature — Human Cleric Rarity: Rare Cost: {2}{W}{W} When False Prophet dies

it's a collar—especially Avacyn's Collar

Set: Commander Anthology Type: Basic Land — Forest Rarity: Common ({T}: Add {G}

Set: Commander 2015 Type: Land Rarity: Common Jungle Hollow enters the battlefield tapped

Set: World Championships 2014 Type: Special Energy Rarity: Uncommon

A sojourn through time gave dark inspiration to one gifted young mind

discard a card or pay {5}