Explosive Singularity

This spell costs less to cast for each creature on the battlefield.

Blasphemous Act deals 13 damage to each creature.

Choose any number of target creatures, planeswalkers, and/or players. For each of them, exile the top card of your library, then Soulfire Eruption deals damage equal to that card's mana value to that permanent or player. You may play the exiled cards until the end of your next turn.

Exile the top seven cards of your library. Until end of turn, you may cast spells from among them.

If this spell was cast from your hand, add ten mana of any one color.

Flying

When this creature enters, it deals damage to target creature equal to the number of Mountains you control.

This spell costs less to cast, where X is the greatest number of artifacts an opponent controls.

Flying, trample, haste

Whenever this creature deals combat damage to a player, you create a Treasure token for each artifact that player controls.

Volley of Boulders deals 6 damage divided as you choose among any number of targets.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)