Karn, Legacy Reforged (99) [March of the Machine: The Aftermath] [Showcase]Set: March of the Machine: The Aftermath Type: Legendary Artifact Creature Golem Rarity: mythic Cost: {5} Karn'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.

If you lose the flip

Set: Fourth Edition Foreign Black Border Type: Creature — Human Knight Rarity: uncommon Cost: {B}{B} First strike (This creature deals combat damage before creatures without first strike

Sacrifice after IV

Set: Legends Type: World Enchantment Rarity: rare Cost: {G} All creatures have haste

Set: The List Type: Creature — Horror Rarity: rare Cost: {B} Whenever an opponent draws a card

(For example

Set: Judge Gift Cards 2017 Type: Land Rarity: rare {T}: Add {C}

Set: Secret Lair Drop Type: Creature — Elemental Rarity: mythic Cost: {5}{G}{G} When this creature enters

Set: Arabian Nights Type: Land Rarity: uncommon Whenever this land becomes tapped

Set: Fourth Edition Foreign Black Border Type: Creature — Dragon Wurm Rarity: rare Cost: {4}{W}{W}{W} Defender

Set: Modern Horizons 2 Promos Type: Sorcery Rarity: rare Cost: {B}{B} Destroy target creature

Set: Streets of New Capenna Promos Type: Artifact Rarity: mythic Cost: {2}{W} {W}