Altar of Bone [Ice Age] Blue you may return another permanent

you may return another permanent you control that shares a permanent type with it to its owner's hand

{T}: Prevent all damage that would be dealt to you this turn by attacking creatures without flying

Only creatures can be enchanted this way

then draws seven cards

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} You may choose not to untap Vedalken Shackles during your untap step

Altar of Bone [Ice Age] Blue you may return another permanentSet: Ice Age Type: Sorcery Rarity: Rare Cost: {G}{W} As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card, reveal that card, and put it into your hand. Then shuffle your library.