MTG Boros Aggro Deck by postscriptthree

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) When this creature dies, create a 1/1 colorless Servo artifact creature token. Max speed — This creature gets +1/+0.

When you attack with three or more creatures, conjure a card named Mox Ruby into your hand. This ability triggers only once. {1}{R}: Creatures you control get +1/+0 until end of turn.

Menace Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) {2}: This creature gets +1/+0 until end of turn. Max speed — This creature has double strike.

Haste At the beginning of your end step, return this creature to its owner's hand. (Return it only if it's on the battlefield.) {2}{R}: This creature gets +2/+0 until end of turn.

Mobilize 1 (Whenever this creature attacks, create a tapped and attacking 1/1 red Warrior creature token. Sacrifice it at the beginning of the next end step.) {1}{R}, Sacrifice this creature: It deals damage equal to the number of creatures you control to target creature.

Mobilize 2 (Whenever this creature attacks, create two tapped and attacking 1/1 red Warrior creature tokens. Sacrifice them at the beginning of the next end step.) Your opponents can't cast spells during your turn.

Equipped creature gets +1/+1 and has trample and haste. Flurry — Whenever you cast your second spell each turn, create a 1/1 white Monk creature token with prowess. You may attach this Equipment to it. (Whenever you cast a noncreature spell, the token gets +1/+1 until end of turn.) Equip {1}{R}

Attacking tokens you control get +1/+0. Whenever you cast your first creature spell each turn, that spell gains mobilize 2.

You get a one-time boon with "When you cast a creature spell, it gains prowess and haste." Draw a card.

({T}: Add {W}.)

({T}: Add {R}.)

This land enters tapped unless you control two or fewer other lands. {T}: Add {R} or {W}.

{T}: Add {W}. {T}: Add {R}. Activate only if you control a Mountain or a Plains.

If you were the starting player, this land enters tapped. As this land enters, choose up to two colors from among cards in your hand. {T}: Add {C}. {T}: Add one mana of a chosen color.