Plains

Odric's Outrider

Whenever Odric's Outrider or another creature you control dies, put a +1/+1 counter on target creature you control.

Mesa Falcon

Flying
{1}{W}: Mesa Falcon gets +0/+1 until end of turn.

Mountain

Defiant Vanguard

When Defiant Vanguard blocks, at end of combat, destroy it and all creatures it blocked this turn.
{5}, {T}: Search your library for a Rebel permanent card with mana value 4 or less, put it onto the battlefield, then shuffle.

Wrathful Jailbreaker

Wrathful Jailbreaker attacks each combat if able.
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Weary Prisoner

Defender
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Weary Prisoner // Wrathful Jailbreaker

Ardent Elementalist

When Ardent Elementalist enters, return target instant or sorcery card from your graveyard to your hand.

Mine Bearer

{T}, Sacrifice Mine Bearer: Destroy target attacking creature.

Blood Petal Celebrant

Blood Petal Celebrant has first strike as long as it's attacking. (It deals combat damage before creatures without first strike.)
When Blood Petal Celebrant dies, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.")

Monk Realist

When Monk Realist enters, destroy target enchantment.

Piercing Light

Piercing Light deals 2 damage to target attacking or blocking creature. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Wild Griffin

Embodiment of Flame

Whenever a spell you control deals damage, put a flame counter on Embodiment of Flame.
{1}, Remove a flame counter from Embodiment of Flame: Exile the top card of your library. You may play that card this turn.

Flame Channeler

When a spell you control deals damage, transform Flame Channeler.

Flame Channeler // Embodiment of Flame

Rhystic Lightning

Rhystic Lightning deals 4 damage to any target unless that permanent's controller or that player pays {2}. If they do, Rhystic Lightning deals 2 damage to the permanent or player.

Traveling Minister

{T}: Target creature gets +1/+0 until end of turn. You gain 1 life. Activate only as a sorcery.

Angelic Page

Flying
{T}: Target attacking or blocking creature gets +1/+1 until end of turn.

Venerable Monk

When Venerable Monk enters, you gain 2 life.

Wall of Glare

Defender (This creature can't attack.)
Wall of Glare can block any number of creatures.

Disenchant

Iron Star

Whenever a player casts a red spell, you may pay {1}. If you do, you gain 1 life.

Trained Orgg

Seal of Fire

Sacrifice Seal of Fire: It deals 2 damage to any target.

Angelic Blessing

Target creature gets +3/+3 and gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.)

Royal Falcon

Orcish Oriflamme

Attacking creatures you control get +1/+0.

Blessed Defiance

Target creature you control gets +2/+0 and gains lifelink until end of turn. When that creature dies this turn, create a 1/1 white Spirit creature token with flying.

Glittering Lynx

Prevent all damage that would be dealt to Glittering Lynx.
{2}: Until end of turn, Glittering Lynx loses "Prevent all damage that would be dealt to Glittering Lynx." Any player may activate this ability.

Twinblade Invocation

Enchant creature
Enchanted creature has double strike.
If Twinblade Invocation would be put into a graveyard from anywhere, exile it instead.

Twinblade Geist

Double strike
Disturb {2}{W} (You may cast this card from your graveyard transformed for its disturb cost.)

Twinblade Geist // Twinblade Invocation

Samite Healer

{T}: Prevent the next 1 damage that would be dealt to any target this turn.

Eager Cadet

Glittering Lion

Prevent all damage that would be dealt to Glittering Lion.
{3}: Until end of turn, Glittering Lion loses "Prevent all damage that would be dealt to Glittering Lion." Any player may activate this ability.

Giant Strength

Enchant creature
Enchanted creature gets +2/+2.

Shock

Hero's Resolve

Enchant creature
Enchanted creature gets +1/+5.

Incendiary

Enchant creature
At the beginning of your upkeep, you may put a fuse counter on Incendiary.
When enchanted creature dies, Incendiary deals X damage to any target, where X is the number of fuse counters on Incendiary.

Unholy Officiant

Vigilance
{4}{W}: Put a +1/+1 counter on Unholy Officiant.

Frenzied Devils

Haste
Whenever you cast a noncreature spell, Frenzied Devils gets +2/+2 until end of turn.