Flying Whenever Teneb, the Harvester deals combat damage to a player, you may pay {2}{B}. If you do, put target creature card from a graveyard onto the battlefield under your control.
Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.) Choose target creature or player, then choose another target creature or player for each time Comet Storm was kicked. Comet Storm deals X damage to each of them.
Skip your draw step. At the beginning of your upkeep, look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard. {B}, {T}, Exile X cards from your graveyard: Target creature gets -X/-X until end of turn.
Equipped creature gets +1/+1. Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library. Equip {2}
{1}, {T}: Add {R}{W} to your mana pool.
{T}: Add to your mana pool one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.
Whenever you tap a land for mana, add one mana to your mana pool of any type that land produced. (The types of mana are white, blue, black, red, green, and colorless.) Whenever you cast a creature spell, draw a card.