MTG Boros Aggro Deck by FreeEducation

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as Stonewright is paired with another creature, each of those creatures has "{R}: This creature gets +1/+0 until end of turn."

This creature can't be blocked by Humans. Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as this creature is paired with another creature, both creatures have haste.

First strike, haste Whenever a player casts a spell from a graveyard, this creature deals 3 damage to that player.

Whenever this creature is dealt damage, it deals that much damage to any target. {R/W}: This creature gains first strike until end of turn.

Haste Whenever a creature you control attacks, this creature deals 1 damage to the player or planeswalker it's attacking.

Flying Haste (This creature can attack and {T} as soon as it comes under your control.) When this creature enters, it deals 1 damage to each creature with flying your opponents control. Tap those creatures.

Enchant creature Enchanted creature gets +2/+2 and has mountainwalk. (It can't be blocked as long as defending player controls a Mountain.)

Searing Spear deals 3 damage to any target.

Choose one — • Boros Charm deals 4 damage to target player or planeswalker. • Permanents you control gain indestructible until end of turn. • Target creature gains double strike until end of turn.

Pillar of Flame deals 2 damage to any target. If a creature dealt damage this way would die this turn, exile it instead.

({T}: Add {R}.)

This land enters tapped unless you control a Mountain or a Plains. {T}: Add {R} or {W}.

({T}: Add {R} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.