Living End [Secret Lair Showdown] Rivals of Ixalan Promos your starting deck can contain

your starting deck can contain any number of cards beyond the maximum deck size

Set: Beta Edition Type: Artifact Rarity: Uncommon Cost: {1} Whenever a creature dies

You skip your next turn

Underworld Dreams deals 1 damage to that player

The Ultimate Guard Sidewinder 100+ SYNERGY is built to house and keep safe at least 100 double sleeved cards

Living End [Secret Lair Showdown] Rivals of Ixalan Promos your starting deck can containSet: Secret Lair Showdown Type: Sorcery Rarity: Mythic Suspend 3{2}{B}{B} Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.