Regeneration [Alpha Edition] Elder Dinosaur Each creature you control can't

Each creature you control can't be blocked by more than one creature

Whenever a player casts a spell

" —Tezzeret

Set: Modern Masters 2015 Type: Legendary Artifact Rarity: Mythic Cost: {0} Metalcraft — {T}: Add one mana of any color

In ice there is perfect tranquility

Regeneration [Alpha Edition] Elder Dinosaur Each creature you control can'tSet: Alpha Edition Type: Enchantment Aura Rarity: Common Cost: {1}{G} Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.) {G}: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)