MTG Mono Green Midrange Deck by Patrick Tierney

This creature enters with a +1/+1 counter on it if you control a permanent with mana value 4 or greater. Whenever you cast a spell with mana value 4 or greater, put a +1/+1 counter on this creature.

{T}: Untap target snow land.

Pack tactics — Whenever this creature attacks, if you attacked with creatures with total power 6 or greater this combat, draw a card. {3}{G}: Until end of turn, this creature has base power and toughness 5/3, gains trample, and isn't a Human.

Trample When Old-Growth Troll dies, if it was a creature, return it to the battlefield. It's an Aura enchantment with enchant Forest you control and "Enchanted Forest has '{T}: Add {G}{G}' and '{1}, {T}, Sacrifice this land: Create a tapped 4/4 green Troll Warrior creature token with trample.'"

When Esika's Chariot enters, create two 2/2 green Cat creature tokens. Whenever Esika's Chariot attacks, create a token that's a copy of target token you control. Crew 4

(Gain the next level as a sorcery to add its ability.) When this Class enters, create a 2/2 green Wolf creature token. {1}{G}: Level 2 Whenever you attack, put a +1/+1 counter on target attacking creature. {3}{G}: Level 3 You may look at the top card of your library any time. You may cast creature spells from the top of your library.

Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

({T}: Add {G}.)

{T}: Add {C}. {S}{S}{S}: This land becomes a 4/3 creature with vigilance and all creature types until end of turn. It's still a land. ({S} can be paid with one mana from a snow source.)