Make a Mythic noncreature.

Storm Volley
Instant
You may play instants and sorceries with converted mana cost X or less without paying their mana costs until end of turn.
He lowered her body to the ground as it started to seethe and buckle around them. Fear turned to agony, screams to silence.

Power of the Sun

Enchantment [MR]
At the beginning of each upkeep, the player whose turn it is puts a light counter on Power of the Sun and chooses one:

• Each player sacrifices a land for each light counter on Power of the Sun.
• Power of the Sun deals damage equal to the number of light counters on it to each player
• Destroy each artifact and creature with converted mana cost equal to or less than the number of light counters on Power of the Sun

Bonfire of memories
Sorcery
Add five mana of any combination of colors to your mana pool, then Exile cardname.
Until the end of turn, whenever you cast an instant or sorcery spell from your hand, you may cast target instant or sorcery spell from a graveyard without paying its mana cost, exile both spells when they resolve.

Planar Burning -
Sorcery
Add to your mana pool. ~ deals X damage to each creature, planeswalker and player, where X is the number of in your mana pool. Damage dealt this way can't be prevented and creatures can't be regenerated this turn.

Scorch the World |
Sorcery (M)
Put a blaze counter on each of up to X target lands. For as long as those lands have blaze counters on them, they have "At the beginning of your upkeep, this land deals 1 damage to you."

Incendiary Scrying
• Sorcery
Exile the top card of your library. You may cast it this turn as though it has flash.
Exile ~ engraved on target artifact you control. (It doesn't become a 2/2 golem)
Engrave

tfw my card isn't included.

Dudibus's design, but like this:

Storm Volley

Instant (M)

You may cast any number of instant or sorcery cards with converted mana cost X or less from your hand without paying their mana costs.

Make a common or uncommon red 3-drop that wants to be curved into with Ragespark Igniter.

Creature-viashino berserker (U)
:Cardname gains haste until end of turn.
When cardname enters the battlefield, creatures with power 2 or less can't block until end of turn.
5/1

Raid Vanguard
Creature - Viashino Warrior [u]
Firststrike
When Raid Vanguard attacks, up to two target creatures you control gain firststrike until end of turn.
3/1
Viashino naturally tend to follow the swiftest and the surest. This has been the cause of their greatest victories and defeats.

Viashino Deathscreecher
Creature - Viashino Warrior (U)
Trample
Viashino Deathscreecher enters the battlefield with a +1/+1 counter on it if a Viashino card is in your graveyard.
3/1

Sandspire Scout
Creature - Viashino Scout
When ~ enters the battlefield, creatures you control gain first strike until end of turn.
3/1