Pulverize - [Foil] Mercadian Masques (MMQ)You may sacrifice two Mountains rather than pay this spell's mana cost. Destroy all artifacts.

When Kroxa enters the battlefield

return it to your hand unless target opponent pays 3 life

{2}{W}{U}{B}{R}{G}: Exile the top three cards of your library

As long as there are four or more quest counters on Quest for Renewal

") At the beginning of your end step

Whenever a player casts a card

where X is the sacrificed creature's power

Play with the top card of your library revealed

Return target black creature card from your graveyard to your hand

Volrath's Shapeshifter has the full text of that card and has the text "{2}: Discard a card

Instant and sorcery spells you cast cost {1} less to cast

not what you need