Orcish Oriflamme

Attacking creatures you control get +1/+0.

Kami of Fire's Roar

Whenever you cast a Spirit or Arcane spell, target creature can't block this turn.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Frostling

Sacrifice this creature: It deals 1 damage to target creature.

Furnace Spirit

Haste
{R}: This creature gets +1/+0 until end of turn.

Snow-Covered Mountain

Soul of Magma

Whenever you cast a Spirit or Arcane spell, this creature deals 1 damage to target creature.

Scorched Rusalka

{R}, Sacrifice a creature: This creature deals 1 damage to target player or planeswalker.

Lightning Strike

Lightning Strike deals 3 damage to any target.

Crackling Emergence

Enchant land you control
Enchanted land is a 3/3 red Spirit creature with haste. It's still a land.
If enchanted land would be destroyed, instead sacrifice this Aura and that land gains indestructible until end of turn.

Glitterfang

Haste
At the beginning of the end step, return this creature to its owner's hand.

Shock

Blood Age General

{T}: Attacking Spirits get +1/+0 until end of turn.

Frost Bite

Frost Bite deals 2 damage to target creature or planeswalker. If you control three or more snow permanents, it deals 3 damage instead.

Bestial Fury

Enchant creature
When this Aura enters, draw a card at the beginning of the next turn's upkeep.
Whenever enchanted creature becomes blocked, it gets +4/+0 and gains trample until end of turn.

Blademane Baku

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this creature.
{1}, Remove X ki counters from this creature: For each counter removed, this creature gets +2/+0 until end of turn.