Blade of Shared Souls (Promo Pack) [Phyrexia: All Will Be One Promos]Set: Phyrexia: All Will Be One Promos Type: Artifact Equipment Rarity: Rare Cost: {2}{U} For Mirrodin! (When this Equipment enters the battlefield, create a 2 2 red Rebel creature token, then attach this to it.) Whenever Blade of Shared Souls becomes attached to a creature, for as long as Blade of Shared Souls remains attached to it, you may have that creature become a copy of another target creature you control. Equip {2}

You get an emblem with "You have no maximum hand size

Set: XY: Furious Fists Type: Fighting Rarity: Ultra Rare Retreat cost: Colorless

Others just get really

Set: Sun & Moon: Unified Minds Type: Fairy Rarity: Rare Retreat cost: 0

Whenever Glint Raker deals combat damage to a player

Set: Core Set 2019 Type: Enchantment Rarity: Rare Cost: {3}{U}{U} At the beginning of your upkeep

Set: Foreign Black Border Type: Sorcery Rarity: Uncommon Cost: {3}{R} Destroy all Plains

Set: Rivals of Ixalan Prerelease Promos Type: Creature — Human Pirate Rarity: Rare Cost: {1}{U} Flying

Rath's evincars used hivestones to control the slivers

Set: Commander 2013 Type: Land Rarity: Uncommon Arcane Sanctum enters the battlefield tapped

Set: World Championships 2004 Type: Grass Rarity: Rare Retreat cost: Colorless

and gamma sectors