Nightmare [Revised Edition] Ice Age Set: Fallout Type: Enchantment Rarity:

Set: Fallout Type: Enchantment Rarity: Uncommon Cost: {1}{W} Creature tokens you control get +1/+1 and have vigilance

then all players reveal those numbers simultaneously and determine the highest and lowest numbers revealed this way

Sorcery — Adventure

Set: Summer Magic / Edgar Type: Creature — Giant Rarity: Uncommon Cost: {2}{R}{R} {T}: Target creature you control with toughness less than Stone Giant's power gains flying until end of turn

what would it be

Nightmare [Revised Edition] Ice Age Set: Fallout Type: Enchantment Rarity:Set: Revised Edition Type: Creature Nightmare Horse Rarity: Rare Cost: {5}{B} Flying (This creature can't be blocked except by creatures with flying or reach.) Nightmare's power and toughness are each equal to the number of Swamps you control. The Nightmare arises from its lair in the swamps. As the poisoned land spreads, so does the Nightmare's rage and terrifying strength.