Slash-Fire Rhino

Haste, trample
Landfall - Whenever a land enters the battlefield
under your control, Slash-Fire Rhino gets +2/+2
until end of turn.
Whenever Slash-Fire Rhino attacks, you may pay {2}{r}{g}. If you do, sacrifice a land. Search your
library for up to two Mountain or Forest cards,
put them onto the battlefield tapped, then
shuffle.