Karn, Legacy Reforged [March of the Machine: The Aftermath]

Karn, Legacy Reforged [March of the Machine: The Aftermath]Set: March of the Machine: The Aftermath Type: Legendary Artifact Creature Golem Rarity: Mythic Cost: {5} Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control. At the beginning of your upkeep, add {C} for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.

Set: Rivals of Ixalan Prerelease Promos Type: Instant Rarity: Rare Cost: {2}{B} Ascend (If you control ten or more permanents

Equip—Pay 1 life for each card in your hand

Set: Mystery Booster Type: Creature — Elf Druid Rarity: Rare Cost: {1}{G} {T}: For each color among permanents you control

Treat phased-out permanents and anything attached to them as though they don't exist until their controller's next turn

Wandering Knight has double strike as long as two or more Equipment are attached to it

Each player who doesn't win the subgame loses half their life

With more Bosses

Set: Strixhaven: School of Mages Mystical Archive Type: Instant Rarity: Rare Cost: {R}{W} Lightning Helix deals 3 damage to any target and you gain 3 life

In Venus Next

Add the points on your scored cards

Set: Battlebond Type: Land Rarity: Rare Sea of Clouds enters the battlefield tapped unless you have two or more opponents

and each one has its own identity and civic function