Cockatrice [Beta Edition] Island Mountain you'd need the energy of

you'd need the energy of the giant's tonic

Set: Planechase Anthology Type: Legendary Creature — Human Ninja Rarity: Rare Cost: {3}{U}{U} Ninjutsu {2}{U}{U} ({2}{U}{U}

and preferred to live entirely on creatures that preyed on sentient beings

It is everywhere you've ever been

Set: Betrayers of Kamigawa Type: Legendary Creature — Spirit Rarity: Rare Cost: {6}{G}{G} Snake offering (You may cast this card any time you could cast an instant by sacrificing a Snake and paying the difference in mana costs between this and the sacrificed Snake

Cockatrice [Beta Edition] Island Mountain you'd need the energy ofSet: Beta Edition Type: Creature Cockatrice Rarity: Rare Cost: {3}{G}{G} Flying Whenever Cockatrice blocks or becomes blocked by a non Wall creature, destroy that creature at end of combat.