Tail the Suspect

Investigate. You may play an additional land this turn. (Then exile this card. You may cast the creature later from exile.)

Kellan, Inquisitive Prodigy

Flying, vigilance
Whenever Kellan, Inquisitive Prodigy attacks, destroy up to one target artifact. If you controlled that permanent, draw a card.

Mill seven cards. Then put all cards that have an Adventure from among the milled cards into your hand.

Trample
Permanent spells you cast that have an Adventure cost {1} less to cast.

Mill seven cards. Then put a creature, enchantment, or land card from among the milled cards onto the battlefield.

{T}: Add {G}.
{1}{G}, {T}, Discard a card: Return Bramble Familiar to its owner's hand.

Flying
Whenever you cast an Adventure spell, you may copy it. You may choose new targets for the copy.

Create two 1/1 green Saproling creature tokens. (Then exile this card. You may cast the creature later from exile.)

Each Fungus and Saproling you control has "{T}: Add {G}."
At the beginning of your end step, create a 1/1 green Saproling creature token.

Mill five cards, then return a creature card milled this way to your hand. (Then exile this card. You may cast the artifact later from exile.)

{1}{G}, {T}: You may put a creature card from your hand onto the battlefield.

Exile the top card of your library. If it's a permanent card, you may put it onto the battlefield. If you do, repeat this process.