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.

Echo {R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

{R}, {T}, Exile two cards from your graveyard: This creature deals 2 damage to any target.

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

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

{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 seven or more cards are in your graveyard.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

({T}: Add {R}.)