Trickbind [Time Spiral] Basilisk Scholars say that arbiters exist

Scholars say that arbiters exist on every world

Set: Khans of Tarkir Type: Land Rarity: Rare {T}

If Falling Star doesn't turn completely over at least once during the flip

Set: Visions Type: Enchantment Rarity: Rare Cost: {2}{G} Players can cast spells and activate abilities only during their own turns

Trickbind [Time Spiral] Basilisk Scholars say that arbiters existSet: Time Spiral Type: Instant Rarity: Rare Cost: {1}{U} Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Counter target activated or triggered ability. If a permanent's ability is countered this way, activated abilities of that permanent can't be activated this turn. (Mana abilities can't be targeted.)