Elesh Norn, Mother of Machines (Borderless Ichor) [Phyrexia: All Will Be One] Tiefling Warlock sacrifice Ball Lightning

sacrifice Ball Lightning

Shatterskull Pass is a pretty distant second

Set: SM - Team Up Type: Dragon Rarity: Secret Rare Retreat cost: 1 [1UPP] Buster Purge (240)

discard the top 4 cards of your opponent's deck

Set: Oversize Cards Type: Creature — Beast Rarity: Rare Cost: {3}{B} As long as Guardian Beast is untapped

Elesh Norn, Mother of Machines (Borderless Ichor) [Phyrexia: All Will Be One] Tiefling Warlock sacrifice Ball LightningSet: Phyrexia: All Will Be One Type: Legendary Creature Phyrexian Praetor Rarity: Mythic Cost: {4}{W} Vigilance If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. Permanents entering the battlefield don't cause abilities of permanents your opponents control to trigger.