Collective Restraint [The List] Ixalan Treasure Chest Slivers you control have devoid

Slivers you control have devoid and annihilator 1

When Arena of the Ancients enters the battlefield

Set: Limited Edition Alpha Type: Artifact Rarity: Rare Cost: {2} {1}

"To the tutors

Set: Ninth Edition Type: Artifact Rarity: Rare Cost: {5} Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it

Collective Restraint [The List] Ixalan Treasure Chest Slivers you control have devoidSet: The List Type: Enchantment Rarity: Rare Cost: {3}{U} Domain Creatures can't attack you unless their controller pays {X} for each creature they control that's attacking you, where X is the number of basic land types among lands you control.