Astral Cornucopia [Commander Anthology Volume II] P-047 If that spell would be

If that spell would be put into their graveyard

"No one can fight the tide forever

you may have Treasures you control become 3/3 Construct Assassin artifact creatures in addition to their other types until end of turn

Set: Commander 2020 Type: Artifact — Equipment Rarity: Uncommon Cost: {1} Equipped creature gets +1/-1

or rampage 3

Astral Cornucopia [Commander Anthology Volume II] P-047 If that spell would beSet: Commander Anthology Volume II Type: Artifact Rarity: Rare Cost: {X}{X}{X} Astral Cornucopia enters the battlefield with X charge counters on it. {T}: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.