Nightmare (CE) [Collectors’ Edition] FR 1 "Six Samurai" monster with

1 "Six Samurai" monster with a different Attribute from every monster you control

you may pay 2 life

This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four

When the ground is saturated with mana

Nightmare (CE) [Collectors’ Edition] FR 1 "Six Samurai" monster withSet: Collectors 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.