Helm of Chatzuk [Summer Magic / Edgar] Future Sight Promos if mana from a Treasure

if mana from a Treasure was spent to cast it

Set: Secret Lair Drop Series Type: Legendary Creature — Boar God Rarity: Mythic Cost: {3}{R}{R} Trample

Set: EX: Dragon Frontiers Rarity: Uncommon

Set: Game Night: Free-for-All Type: Legendary Creature — Elf Warrior Rarity: Mythic Cost: {2}{G}{G} Whenever Imaryll

Foretell {4}{R}{R} (During your turn

Helm of Chatzuk [Summer Magic / Edgar] Future Sight Promos if mana from a TreasureSet: Summer Magic Edgar Type: Artifact Rarity: Rare Cost: {1} {1}, {T}: Target creature gains banding until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding a player controls are blocking or being blocked by a creature, that player divides that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)