Unown (H) (H/28) [EX: Unseen Forces]Set: EX: Unseen Forces Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

If the player chooses others

Set: Limited Edition Alpha Type: Creature — Wall Rarity: Uncommon Cost: {2}{G} Defender (This creature can't attack

Set: POP Series 1 Type: Fighting Rarity: Ultra Rare Retreat cost: Colorless

but I just wish he didn't do it to us

Set: Eternal Masters Type: Creature — Demon Rarity: Uncommon Cost: {5}{B}{B} Flying

Set: EX: Holon Phantoms Type: Grass

where X is 2 plus the sacrificed creature's converted mana cost

Set: Limited Edition Alpha Type: Sorcery Rarity: Common Cost: {X}{1}{B} Spend only black mana on X

{3}{B}{B}: Creatures you control gain lifelink until end of turn

Set: Portal Second Age Type: Creature — Angel Rarity: Rare Cost: {5}{W}{W} Flying

it's sacrificed when it enters the battlefield

you may put Nether Shadow into play