Armageddon [Beta Edition]Set: Beta Edition Type: Sorcery Rarity: Rare Cost: {3}{W} Destroy all lands.

They become 6/6 Elemental creatures

Set: Morningtide Type: Enchantment Rarity: Rare Cost: {1}{G} Whenever a creature enters the battlefield under your control

but my host would casually push it down before I could make out what it was

Blessed by the hands of Jin-Gitaxias

Set: Eighth Edition Type: Land Rarity: Rare Whenever City of Brass becomes tapped

it deals 1 damage to you

exile equipped creature

if you control seven or more lands

Set: Scars of Mirrodin Type: Artifact — Equipment Rarity: Mythic Cost: {3} Equipped creature gets +2/+2 and has protection from green and from blue

it creates twice that many of those tokens instead

its owner shuffles their graveyard into their library

Set: Saviors of Kamigawa Type: Sorcery — Arcane Rarity: Rare Cost: {5}{B} Target opponent chooses a number