Warhammer SoA Slaves to Darkness: Daemon Prince

you may discard a card

you may return target nonland permanent card from your graveyard to your hand

Set: Neo Revelation Unlimited Type: Lightning Rarity: Rare Retreat cost: Colorless

−1: You may sacrifice an artifact

optional game rules

Set: Lorwyn Type: Creature — Merfolk Wizard Rarity: Rare Cost: {4}{U}{U} Champion a Merfolk (When this enters the battlefield

Set: Sun & Moon: Cosmic Eclipse Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

Set: From the Vault: Dragons Type: Creature — Dragon Rarity: Rare Cost: {5}{B}{B} Flying

puts them onto the battlefield tapped

where X is the mana value of a commander you own on the battlefield or in the command zone

then reveal a card at random from your hand

giving you a bonus at certain positions