Birds of Paradise

Elvish Mystic

Essence Warden

Whenever another creature enters, you gain 1 life.

Jukai Naturalist

Lifelink
Enchantment spells you cast cost {1} less to cast.

Nessian Wanderer

Constellation — Whenever an enchantment you control enters, look at the top three cards of your library. You may reveal a land card from among them and put that card into your hand. Put the rest on the bottom of your library in a random order.

Composer of Spring

Constellation — Whenever an enchantment you control enters, you may put a land card from your hand onto the battlefield tapped. If you control six or more enchantments, instead you may put a creature or land card from your hand onto the battlefield tapped.

Tanglespan Lookout

Whenever an Aura you control enters, draw a card.

Bloom Tender

{T}: For each color among permanents you control, add one mana of that color.

Llanowar Elves

Gylwain, Casting Director

Whenever Gylwain, Casting Director or another nontoken creature you control enters, choose one —
• Create a Royal Role token attached to that creature.
• Create a Sorcerer Role token attached to that creature.
• Create a Monster Role token attached to that creature.

Delighted Halfling

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a legendary spell, and that spell can't be countered.