Clockwork Avian [Antiquities] Ixalan Treasure Chest you divide that creature's combat

you divide that creature's combat damage

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

defending player sacrifices four permanents

but you may put it on top of your library instead of into your graveyard

Set: Onslaught Type: Sorcery Rarity: Rare Cost: {6}{G}{G} Each player's life total becomes the number of creatures they control

Clockwork Avian [Antiquities] Ixalan Treasure Chest you divide that creature's combatSet: Antiquities Type: Artifact Creature Bird Rarity: Rare Cost: {5} Flying Clockwork Avian enters the battlefield with four +1 +0 counters on it. At end of combat, if Clockwork Avian attacked or blocked this combat, remove a +1 +0 counter from it. {X}, {T}: Put up to X +1 +0 counters on Clockwork Avian. This ability can't cause the total number of +1 +0 counters on Clockwork Avian to be greater than four. Activate only during your upkeep.