Mountain

Temur Sabertooth

{1}{G}: You may return another creature you control to its owner's hand. If you do, Temur Sabertooth gains indestructible until end of turn.

Axebane Beast

Clamor Shaman

Riot (This creature enters with your choice of a +1/+1 counter or haste.)
Whenever Clamor Shaman attacks, target creature an opponent controls can't block this turn.

Gruul Guildgate

Gruul Guildgate enters tapped.
{T}: Add {R} or {G}.

Domri's Nodorog

Trample
When Domri's Nodorog enters, you may search your library and/or graveyard for a card named Domri, City Smasher, reveal it, and put it into your hand. If you search your library this way, shuffle.

Bolrac-Clan Crusher

{T}, Remove a +1/+1 counter from a creature you control: Bolrac-Clan Crusher deals 2 damage to any target.

Gravel-Hide Goblin

{3}{G}: Gravel-Hide Goblin gets +2/+2 until end of turn.

Feral Maaka

Forest

Stony Strength

Put a +1/+1 counter on target creature you control. Untap that creature.

Zhur-Taa Goblin

Riot (This creature enters with your choice of a +1/+1 counter or haste.)

Glass of the Guildpact

Multicolored creatures you control get +1/+1.

End-Raze Forerunners

Vigilance, trample, haste
When End-Raze Forerunners enters, other creatures you control get +2/+2 and gain vigilance and trample until end of turn.

Wrecking Beast

Riot (This creature enters with your choice of a +1/+1 counter or haste.)
Trample

Charging War Boar

Haste (This creature can attack and {T} as soon as it comes under your control.)
As long as you control a Domri planeswalker, Charging War Boar gets +1/+1 and has trample. (It can deal excess damage to the player or planeswalker it's attacking.)

Burn Bright

Creatures you control get +2/+0 until end of turn.

Sylvan Brushstrider

When Sylvan Brushstrider enters, you gain 2 life.

Yasova Dragonclaw

Trample
At the beginning of combat on your turn, you may pay {1}{U/R}{U/R}. If you do, gain control of target creature an opponent controls with power less than Yasova Dragonclaw's power until end of turn, untap that creature, and it gains haste until end of turn.

Ragefire

Ragefire deals 3 damage to target creature.

Frenzied Arynx

Riot (This creature enters with your choice of a +1/+1 counter or haste.)
Trample
{4}{R}{G}: Frenzied Arynx gets +3/+0 until end of turn.

Domri, City Smasher

+2: Creatures you control get +1/+1 and gain haste until end of turn.
−3: Domri, City Smasher deals 3 damage to any target.
−8: Put three +1/+1 counters on each creature you control. Those creatures gain trample until end of turn.