Brain Freeze (Yellow) [UPR117] (Uprising) Rainbow Foil U-ELE118 When Cavalier of Night enters

When Cavalier of Night enters the battlefield

Set: Collectors' Edition Type: Artifact Rarity: Uncommon Cost: {2} At the beginning of each player's upkeep

Set: Wizards of the Coast: Black Star Promos Type: Lightning Rarity: Promo Retreat cost: Colorless

but Gaea taught him that she controlled all the elements

Brain Freeze (Yellow) [UPR117] (Uprising) Rainbow Foil U-ELE118 When Cavalier of Night entersSet: Uprising Edition: Unlimited Finish: Rainbow Foil Type: Action Rarity: Common Class: Elemental Wizard Ice Fusion (As an additional cost to play Brain Freeze, you may reveal an Ice card from your hand.) Target opponent reveals their hand. If Brain Freeze was fused, put an action card with cost 1 or less from their hand on top of their deck.