Boreal Shelf [Coldsnap]Set: Coldsnap Type: Snow Land Rarity: Uncommon Boreal Shelf enters the battlefield tapped. {T}: Add {W} or {U}. "Who will stay the Tyrant's hand, As ice and woe both grip our land? The helpless feel his frozen brand." *The Dynasty of Winter Kings*

It roams in both the worlds of the living and the dead but belongs to neither

If it's a nonland card

Set: XY: BREAKpoint Type: Water Rarity: Rare Retreat cost: Colorless

Fire Rarity: Ultra Rare Retreat cost: 1

1 — Sacrifice Jack-in-the-Mox and you lose 5 life

sacrifice Draco unless you pay {10}

{T}: Return target Zombie card from your graveyard to your hand

Set: Zendikar Type: Sorcery Rarity: Rare Cost: {R}{R}{R}{R} Kicker {5} (You may pay an additional {5} as you cast this spell

Set: Alpha Edition Type: Instant Rarity: Common Cost: {1}{B} Destroy target nonartifact

Both complement and antithesis to his older brother Urza

Set: League & Championship Cards Type: Water Rarity: Promo

sacrifice Sacred Mesa unless you sacrifice a Pegasus