Ashnod's Altar [Antiquities]Set: Antiquities Type: Artifact Rarity: Uncommon Cost: {3} Sacrifice a creature: Add {C}{C}.

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

that player instead puts that land onto the battlefield then sacrifices a land

"If I must die

copy it for each permanent put into a graveyard this turn

and enchantments

You choose a noncreature

Set: Commander 2013 Type: Sorcery Rarity: Rare Cost: {2}{B} As an additional cost to cast this spell

or becomes tapped

if you cast it from your hand

{2}{R}{R}{R}: Return Hammer of Bogardan from your graveyard to your hand

Some minds are more open than others

{T}: Prevent all combat damage that would be dealt this turn