On top of that, Ancient Cellarspawn itself makes Demons, Horrors, and Nightmares cost one less
For our first example, lets say we control Preening Champion, a Flying creature
The special thing is that Garruk Relentless is a double-faced card, while Clone isn't
The two included foil cards are Peter Pan - Lost Boy Leader, a card designed to help the player travel to different locations, and Pongo - Determined Father, a card that helps players seek out glimmers in their deck
Since Lightning Bolt only costs one mana, it can be enabled on turn one to keep any powerful one-drop creature off the battlefield
The same is true for counters that change the creature's power or toughness (such as +1/+1 counters) and effects that switch its power and toughness