The Reaver Cleaver (Extended Art) [Dominaria United Commander] Shenmeng the player can activate mana

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

Set: March of the Machine Commander Type: Creature — Elephant Soldier Rarity: Rare Cost: {5}{G} Backup 1

flee circus

if an opponent has three or more poison counters

Set: 30th Anniversary Edition Type: Sorcery Rarity: Common Cost: {X}{G} Target player gains X life

The Reaver Cleaver (Extended Art) [Dominaria United Commander] Shenmeng the player can activate manaSet: Dominaria United Commander Type: Legendary Artifact Equipment Rarity: Rare Cost: {2}{R} Equipped creature gets +1 +1 and has trample and Whenever this creature deals combat damage to a player or planeswalker, create that many Treasure tokens. Equip {3}