Lightning Elemental

Haste (This creature can attack and {T} as soon as it comes under your control.)

Flamekin Brawler

{R}: Flamekin Brawler gets +1/+0 until end of turn.

Target creature gets +1/+0 and gains first strike until end of turn.

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

First strike (This creature deals combat damage before creatures without first strike.)

Lava Axe deals 5 damage to target player or planeswalker.

{T}: Prodigal Pyromancer deals 1 damage to any target.

Defender (This creature can't attack.)
{R}: Wall of Fire gets +1/+0 until end of turn.