Mountain

Drannith Stinger

Whenever you cycle another card, this creature deals 1 damage to each opponent.
Cycling {1} ({1}, Discard this card: Draw a card.)

Brute Force

Target creature gets +3/+3 until end of turn.

Turn Inside Out

Target creature gets +3/+0 until end of turn. When it dies this turn, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)

Infuriate

Target creature gets +3/+2 until end of turn.

Shock

Quakefoot Cyclops

When this creature enters, up to two target creatures can't block this turn.
Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)
When you cycle this card, target creature can't block this turn.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Flameblade Adept

Menace
Whenever you cycle or discard a card, this creature gets +1/+0 until end of turn.

Magmakin Artillerist

Whenever you discard one or more cards, this creature deals that much damage to each opponent.
Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)
When you cycle this card, it deals 1 damage to each opponent.

Reptilian Reflection

Whenever you cycle a card, you may have this enchantment become a 5/4 Dinosaur creature with trample and haste in addition to its other types until end of turn.