[+1]: Create a 0/1 green Plant creature token. [–2]: Put a +1/+1 counter on each creature you control. [–7]: You gain X life and draw X cards, where X is the number of lands you control.
If you would draw a card, you may instead choose land or nonland and reveal cards from the top of your library until you reveal a card of the chosen kind. Put that card into your hand and put all other cards revealed this way on the bottom of your library in any order.
Fertilid enters with two +1/+1 counters on it. {1}{G}, Remove a +1/+1 counter from Fertilid: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.
Target player shuffles up to three target cards from their graveyard into their library. Draw a card. When Gaea's Blessing is put into your graveyard from your library, shuffle your graveyard into your library.
Trample Landfall — Whenever a land you control enters, put a +1/+1 counter on Oran-Rief Hydra. If that land is a Forest, put two +1/+1 counters on Oran-Rief Hydra instead.
Kicker {1}{G} When Thicket Elemental enters, if it was kicked, you may reveal cards from the top of your library until you reveal a creature card. If you do, put that card onto the battlefield and shuffle all other cards revealed this way into your library.