Impossible Inferno

Target creature you control deals damage equal to its power to each other creature. Until end of turn, whenever a creature you control dies, exile the top card of your library. You may play it until the end of your next turn.

Thermal Blast deals 3 damage to target creature.

Threshold — Thermal Blast deals 5 damage instead if there are seven or more cards in your graveyard.

Converge — Archaic's Agony deals X damage to target creature, where X is the number of colors of mana spent to cast this spell. Exile cards from the top of your library equal to the excess damage dealt to that creature this way. You may play those cards until the end of your next turn.

Exile the top three cards of your library. Until the end of your next turn, you may play those cards.

Create three Treasure tokens. (They're artifacts with ", Sacrifice this token: Add one mana of any color.")

Choose up to five worth of modes. You may choose the same mode more than once.

— Create a tapped Treasure token.

— Exile the top two cards of your library. Until the end of your next turn, you may play them.

— Until the end of your next turn, whenever you cast a spell, Season of the Bold deals 2 damage to up to one target creature.

Return up to one target artifact or enchantment card from your graveyard to the battlefield. Exile the top two cards of your library. Until the end of your next turn, you may play those cards.