Conversion [International Collectors' Edition] Chaos Impact then put a number of

then put a number of +1/+1 counters on Yule Ooze equal to that permanent's converted mana cost

Put the rest on the bottom of your library in a random order

Set: Commander Legends Type: Land Rarity: Rare Spectator Seating enters the battlefield tapped unless you have two or more opponents

Set: Secret Lair Drop Series Type: Instant Rarity: Rare Cost: {U} Counter target enchantment

if you have at least 15 life more than your starting life total

Conversion [International Collectors' Edition] Chaos Impact then put a number ofSet: International Collectors' Edition Type: Enchantment Rarity: Uncommon Cost: {2}{W}{W} At the beginning of your upkeep, sacrifice Conversion unless you pay {W}{W}. All Mountains are Plains.