Sythis, Harvest's Hand

Whenever you cast an enchantment spell, you gain 1 life and draw a card.

Birds of Paradise

Arbor Elf

Exploration

You may play an additional land on each of your turns.

Karametra, God of Harvests

Indestructible
As long as your devotion to green and white is less than seven, Karametra isn't a creature.
Whenever you cast a creature spell, you may search your library for a Forest or Plains card, put it onto the battlefield tapped, then shuffle.

Esper Sentinel

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is Esper Sentinel's power.