+grunt (6)
Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)
Cumulative upkeep—Put two cards from a single graveyard on the bottom of their owner's library. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Sacrifice an artifact: This creature gets +1/+0 and gains first strike until end of turn.
Whenever this creature becomes blocked, you may have it deal damage equal to its power to target creature. If you do, this creature assigns no combat damage this turn.
Flash
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
Haste
Whenever this creature or another Ally you control enters, you may put a +1/+1 counter on this creature.
Gatherer works better in the Companion app!