Wild Nacatl

Wild Nacatl gets +1/+1 as long as you control a Mountain.
Wild Nacatl gets +1/+1 as long as you control a Plains.

Azorius Arrester

When Azorius Arrester enters, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Qasali Pridemage

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
{1}, Sacrifice Qasali Pridemage: Destroy target artifact or enchantment.

Abrade

Choose one —
• Abrade deals 3 damage to target creature.
• Destroy target artifact.

Track Down

Scry 3, then reveal the top card of your library. If it's a creature or land card, draw a card. (To scry 3, look at the top three cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Highland Forest

({T}: Add {R} or {G}.)
Highland Forest enters tapped.

Frostweb Spider

Reach (This creature can block creatures with flying.)
Whenever Frostweb Spider blocks a creature with flying, put a +1/+1 counter on Frostweb Spider at end of combat.

Mountain

Ash Barrens

{T}: Add {C}.
Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.

Kor Hookmaster

When Kor Hookmaster enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Plains

Arashin Cleric

When Arashin Cleric enters, you gain 3 life.

Alpine Meadow

({T}: Add {R} or {W}.)
Alpine Meadow enters tapped.

Kird Ape

Kird Ape gets +1/+2 as long as you control a Forest.

Break Ties

Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Exile target card from a graveyard.
Reinforce 1—{W} ({W}, Discard this card: Put a +1/+1 counter on target creature.)

Crimson Acolyte

Protection from red
{W}: Target creature gains protection from red until end of turn.

Forest

Arctic Treeline

({T}: Add {G} or {W}.)
Arctic Treeline enters tapped.

Medicine Runner

When Medicine Runner enters, you may remove a counter from target permanent.

Viashino Pyromancer

When this creature enters, it deals 2 damage to target player or planeswalker.

Centaur Healer

When Centaur Healer enters, you gain 3 life.

Burst Lightning

Kicker {4} (You may pay an additional {4} as you cast this spell.)
Burst Lightning deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead.