MTG Mono White Aggro Deck by Arkany1

Vigilance When this creature enters, if it was the second spell you cast this turn, put a +1/+1 counter on target creature.

Flurry of Blows — Whenever you cast your second spell each turn, put a +1/+1 counter on this creature.

Boast — {1}{W}: Create a 1/1 white Human Warrior creature token. (Activate only if this creature attacked this turn and only once each turn.)

Whenever you cast your second spell each turn, create a 1/1 white Spirit creature token with flying.

Lifelink When this creature enters, you may pay {1}{W} any number of times. When you pay this cost one or more times, put that many valor counters on this creature. Creatures you control get +1/+1 for each valor counter on this creature.

At the beginning of combat on your turn, put a +1/+1 counter on target creature you control.

First strike Noncreature spells cost {1} more to cast.

When this creature enters, exile up to one target nonland, nontoken permanent you don't control with mana value 4 or less. When this creature leaves the battlefield, the exiled card's owner creates an X/X blue Illusion creature token, where X is the mana value of the exiled card.

When this Equipment enters, attach it to target creature you control. Equipped creature gets +2/+2 and has flying and first strike.(It deals combat damage before creatures without first strike.) Equip {2}{W}{W}

Put a +1/+1 counter on target creature. Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Put a +1/+1 counter on target creature you control. It gains vigilance until end of turn. Flashback {W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

({T}: Add {W}.)