MTG Mono Green Aggro Deck by Yhwach

{T}: Add {G}.

Reach {T}, Tap an untapped creature you control: Add one mana of any color.

{T}: Add {G}.

When this creature enters, if you control another Elf, create a 1/1 green Elf Warrior creature token.

Whenever one or more other Elves you control enter, create a 1/1 green Elf Warrior creature token. This ability triggers only once each turn. {5}{G}{G}: Elves you control get +2/+2 and gain deathtouch until end of turn.

Other Elves you control get +1/+1. Whenever you cast an Elf spell, you may pay {G}. If you do, draw a card.

When this creature enters, you may search your library for a creature card with mana value 6 or greater, reveal it, put it into your hand, then shuffle.

Other Elf creatures you control get +1/+1. {T}: Add {G} for each Elf you control.

Tap another untapped creature you control: Tyvar gains indestructible until end of turn. Tap it. {3}{G}{G}: Creatures you control get +X/+X until end of turn, where X is the greatest power among creatures you control.

Haste When this creature enters, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.

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.) Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

Look at the top six cards of your library. Put up to two creature cards with mana value 3 or less from among them onto the battlefield. Put the rest on the bottom of your library in any order.

{T}: Add {G}. Channel — {1}{G}, Discard this card: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control.

This land enters tapped unless you control a Forest. {T}: Add {G}. {2}{G}{G}, {T}: Add six {G}. Spend this mana only to cast creature spells or activate abilities of creatures.

({T}: Add {G}.)

If you control two or more other lands, this land enters tapped. {T}: Add {G}. {X}{G}: Until end of turn, this land becomes an X/X green Hydra creature. It's still a land. X can't be 0.

As this land enters, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.