MTG Mono Red Aggro Deck by Sanitoeter

Whenever this creature is dealt damage, it deals that much damage to you. {1}{R}: This creature gets +1/+0 until end of turn and deals 1 damage to you.

Whenever another red creature you control enters, this creature gets +1/+0 until end of turn.

Haste Battalion — Whenever this creature and at least two other creatures attack, creatures you control gain first strike and trample until end of turn and can't be blocked by creature tokens this turn.

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.)

Battalion — Whenever this creature and at least two other creatures attack, target creature can't block this turn.

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

When this creature enters, add {R}{G}.

Other Goblin creatures you control attack each combat if able. At the beginning of combat on your turn, create a 1/1 red Goblin creature token with haste. Whenever this creature attacks, it gets +1/+0 until end of turn for each other attacking Goblin.

Bloodrush — {R}, Discard this card: Target attacking creature gets +3/+3 until end of turn.

As Hall of Triumph enters, choose a color. Creatures you control of the chosen color get +1/+1.

Lightning Strike deals 3 damage to any target.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Stoke the Flames deals 4 damage to any target.

({T}: Add {R}.)

{T}: Add {C}. {1}: This land becomes a 2/2 creature with all creature types until end of turn. It's still a land.