Koth, Fire of Resistance - Borderless - Showcase- Inverted

[+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."