FlyingWhenever Treva, the Renewer deals combat damage to a player, you may pay . If you do, choose a color, then you gain 1 life for each permanent of that color.
Spend only black and/or red mana on X.Soul Burn deals X damage to any target. You gain life equal to the damage dealt, but not more than the amount of spent on X, the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.
Kicker (You may pay an additional as you cast this spell.)Target creature gets +2/+2 until end of turn. If this spell was kicked, that creature gets +5/+5 until end of turn instead.
At the beginning of your upkeep, target player loses 1 life.Sacrifice Smoldering Tar: It deals 4 damage to target creature. Activate only as a sorcery.
Choose a creature type. Target player reveals their hand and discards all creature cards of that type. Then destroy all creatures of that type that player controls. They can't be regenerated.
Yavimaya Kavu's power is equal to the number of red creatures on the battlefield.Yavimaya Kavu's toughness is equal to the number of green creatures on the battlefield.
