Sundial of the Infinite [Magic 2012] 2010 Duelist Pack Collection Tin Set: Raging Battle Card type:

Set: Raging Battle Card type: Quick Play Spell Rarity: Ultimate Rare One face-up monster on the field gains 400 ATK

Set: Dark Legends Card type: Effect Monster Rarity: Ultra Rare Attack: 400 Defense: 400 Once per turn

It works like this

You can only Special Summon "Black Luster Soldier - Super Soldier(s)" once per turn

Sundial of the Infinite [Magic 2012] 2010 Duelist Pack Collection Tin Set: Raging Battle Card type:Set: Magic 2012 Type: Artifact Rarity: Rare Cost: {2} {1}, {T}: End the turn. Activate 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.)