Wall of Wood [Alpha Edition] Swamp Mountain then reveals the top card

then reveals the top card of their library

Set: Fifth Dawn Type: Artifact Creature — Construct Rarity: Rare Cost: {4} No more than one creature can attack each combat

Set: Alpha Edition Type: Artifact Rarity: Rare Cost: {4} Whenever a land is put into a graveyard from the battlefield

Set: Beta Edition Type: Basic Land — Mountain Rarity: Common ({T}: Add {R}

winds blow

Wall of Wood [Alpha Edition] Swamp Mountain then reveals the top cardSet: 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.