Collective Restraint [Invasion] Commander's Arsenal Set: Eighth Edition Type: Enchantment

Set: Eighth Edition Type: Enchantment Rare Cost: {1}{B}{B} At the beginning of your upkeep

Set: Rivals of Ixalan Type: Creature — Human Pirate Uncommon Cost: {3}{B} Whenever another creature you control dies

Though adept at both magic and swordplay

where X is the number of creatures attacking you

Set: Eternal Masters Type: Sorcery Rare Cost: {2}{B} As an additional cost to cast this spell

Collective Restraint [Invasion] Commander's Arsenal Set: Eighth Edition Type: EnchantmentSet: Invasion Type: Enchantment 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.