Koth, Fire of Resistance – Phyrexia: All Will Be One (ONE)

[+2]: Search your library for a basic Mountain card, reveal it, put it into your hand, then shuffle.
[-3]: Koth, Fire of Resistance deals damage to target creature equal to the number of Mountains you control.
[-7]: You get an emblem with “Whenever a Mountain enters the battlefield under your control, this emblem deals 4 damage to any target.”