Diaochan, Artful Beauty [Commander's Arsenal] Amonkhet Prerelease Promos you divide that creature's combat

you divide that creature's combat damage

Set: Alpha Edition Type: Sorcery Rarity: Common Cost: {B}{B} Destroy target land

Set: Commander's Arsenal Type: Enchantment Rarity: Common Cost: {2}{U} Whenever an opponent casts a spell

and my failures

If an effect causes you to discard a card

Diaochan, Artful Beauty [Commander's Arsenal] Amonkhet Prerelease Promos you divide that creature's combatSet: Commander's Arsenal Type: Legendary Creature Human Advisor Rarity: Rare Cost: {3}{R} {T}: Destroy target creature of your choice, then destroy target creature of an opponent's choice. Activate only during your turn, before attackers are declared.