MTG Boros Aggro Deck by Ishibashi Yukinori

Dinosaur spells you cast cost {1} less to cast.

Creature spells you cast cost {1} less to cast. Whenever another creature you control enters, this creature deals 2 damage to it. If a Dinosaur is dealt damage this way, this creature gets +2/+0 until end of turn.

Dinosaur spells you cast cost {1} less to cast. {T}: Target Dinosaur gains haste until end of turn.

Flying Creatures your opponents control enter tapped.

Mutate {2}{B/R}{W}{W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Double strike Whenever this creature mutates, it deals 4 damage to target creature or planeswalker an opponent controls and you gain 4 life.

Enrage — Whenever this creature is dealt damage, exile target creature an opponent controls until this creature leaves the battlefield.

Whenever Etali attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

When this creature enters, it deals 3 damage to target opponent or planeswalker and 3 damage to up to one target creature.

Trample, haste Cycling {1}{R} When you cycle this card, shuffle it into your library from your graveyard. If you've cycled a card named Yidaro, Wandering Monster four or more times this game, put it onto the battlefield from your graveyard instead. (Do this before you draw.)

Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

({T}: Add {W}.)

({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.