Grim Lavamancer

T: Add R. This land deals 1 damage to you. Threshold — R, T, Sacrifice this land: It deals 2 damage to any target. Activate only if there are seven or more cards in your graveyard.

If a red instant or sorcery spell you control would deal damage, it deals double that damage instead.

(T: Add R.)

You may sacrifice two Mountains rather than pay this spell's mana cost. Fireblast deals 4 damage to any target.

R, T, Discard a card: Destroy target blue permanent. 1R, T, Discard a card: Jaya Ballard deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn. 5RR, T, Discard a card: Jaya Ballard deals 6 damage to each creature and each player.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Haste (This creature can attack and T as soon as it comes under your control.) At the beginning of the end step, sacrifice this creature.

(T: Add R.)

(T: Add R.)