MTG Boros Aggro Deck by Garretteeny

Whenever another creature you control enters, you gain 1 life and get {E} (an energy counter). Whenever you attack, you may pay {E}{E}{E}{E}. When you do, put two +1/+1 counters and a flying counter on target attacking creature. It becomes an Angel in addition to its other types.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is this creature's power.

When this creature enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

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.

When this creature enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Kicker {R} (You may pay an additional {R} as you cast this spell.) When this creature enters, if it was kicked, creatures you control get +1/+0 and gain haste until end of turn.

When this creature enters, it deals 1 damage to each opponent. Create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

Convoke When this creature enters, look at the top six cards of your library. You may reveal up to two creature cards with mana value X or less from among them, where X is the number of creatures that convoked this creature. Put the revealed cards into your hand, then shuffle.

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.) When this creature enters, put a +1/+1 counter on each creature that convoked it.

Destroy target artifact. If you controlled that artifact, create three 1/1 red Phyrexian Goblin creature tokens.

As an additional cost to cast this spell, sacrifice an artifact. Create three 1/1 red Goblin creature tokens.

({T}: Add {W}.)

({T}: Add {R}.)

{T}: Add {C}. {T}: Add {R} or {W}. This land deals 1 damage to you.

This land enters tapped unless you control two or fewer other lands. {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.

{T}, Pay 1 life: Add {R} or {W}. {1}, {T}, Sacrifice this land: Draw a card.