Stasis [Revised Edition (Foreign Black Border)] Condition:Heavily Played Activated abilities of white enchantments

Activated abilities of white enchantments cost {3} more to activate

Set: Ravnica Allegiance Type: Enchantment Rarity: Rare Cost: {3}{G} Whenever a nontoken creature enters the battlefield under your control

but how could that be

Set: Friday Night Magic 2003 Type: Creature — Sliver Rarity: Rare Cost: {W}{U} All Slivers have shroud

At the beginning of each opponent's end step

Stasis [Revised Edition (Foreign Black Border)] Condition:Heavily Played Activated abilities of white enchantmentsSet: Revised Edition (Foreign Black Border) Type: Enchantment Rarity: Rare Cost: {1}{U} Players skip their untap steps. At the beginning of your upkeep, sacrifice Stasis unless you pay {U}.