Whenever an Aura you control enters, draw a card.
"The trolls have your scent, traveler. Hurry on, and let me take care of them."
Illustrated by Dmitry Burmak · Wilds of Eldraine · #188
There are no rulings for Tanglespan Lookout.
Whenever a Beast you control enters, draw a card.
Whenever a Beast enters, you may draw a card.
Whenever a creature you control with power 3 or greater enters, draw a card.
Whenever a creature you control with a +1/+1 counter on it dies, draw a card.
Whenever you cast an enchantment spell, draw a card.
Constellation — Whenever an enchantment you control enters, put a +1/+1 counter on this creature and draw a card.