Armageddon [Portal Second Age]Set: Portal Second Age Type: Sorcery Rarity: Rare Cost: {3}{W} Destroy all lands. War destroys more than just the land. War destroys hope.

reveal that many cards from the top of your library

Set: Beta Edition Type: Creature — Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1/+1 and have islandwalk

They only specify the consequences should you fail

Fabricate 1 (When this creature enters the battlefield

that player sacrifices a permanent for each soot counter on Smokestack

Set: Ravnica: City of Guilds Type: Instant Rarity: Uncommon Cost: {1}{U} Counter target spell

if it has a +1/+1 counter on it

Set: Fallen Empires Type: Enchantment Rarity: Common Cost: {U} {U}{U}: For each attacking creature without flying

Set: Commander 2011 Type: Creature — Homunculus Rarity: Rare Cost: {2}{U} Whenever a creature attacks you or a planeswalker you control

Dragons Type: Instant Rarity: Common Cost: {G}{W} Until end of turn

{T}: Reveal the top card of your library

When Waterknot enters the battlefield