Wall of Wood [Alpha Edition] Spirit Set: Visions Type: Artifact Rarity:

Set: Visions Type: Artifact Rarity: Rare Cost: {4} At the beginning of each player's draw step

but it is true that these artifacts can be dangerous

Set: Weatherlight Type: Artifact Rarity: Rare Cost: {4} Prevent all damage that would be dealt to creatures

Set: Happy Holidays Type: Enchantment Rarity: Mythic Cost: {2}{U}{U} At the beginning of your upkeep

The Izzet specialize in unnatural disaster

Wall of Wood [Alpha Edition] Spirit Set: Visions Type: Artifact Rarity:Set: Alpha Edition Type: Creature Wall Rarity: Common Cost: {G} Defender (This creature can't attack.) Everybody knows that to ward off trouble, you knock on wood. But usually it's better to make a wall out of the wood and let trouble do the knocking.