Sundial of the Infinite [Magic 2012] Fifth Dawn during damage calculation in either

during damage calculation in either player's turn

but I didn't expect it from the building itself

Some convictions are so strong that the world must break to accommodate them

Set: Starter Deck: Kaiba Card type: Normal Monster Rarity: Ultra Rare Attack: 3000 Defense: 2500

Set: Limited Edition Beta Type: Enchantment Rarity: Uncommon Cost: {G}{G} {G}{G}: Counter target black spell

Sundial of the Infinite [Magic 2012] Fifth Dawn during damage calculation in eitherSet: Magic 2012 Type: Artifact Rarity: Rare Cost: {2} {1}, {T}: End the turn. Activate this ability only during your turn. (Exile all spells and abilities from the stack. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)