Strengths and Weaknesses This is more of a control deck, so its best strength is that youre favored in a long game
Heliod, the Radiant Dawn / Heliod, the Warped Eclipse Heliod, the Radiant Dawn is just an oversized Auramancer, but transform this baddie and you get Heliod, the Warped Eclipse, a Phyrexian god that converts opponents card draw into cost reduction for your spells
Move your left hand beneath ready to catch the cards
Doubling Season One of Magic's best green enchantments, Doubling Season is almost like Primal Vigor, but better in that not only are tokens doubled, but any type of counters are also doubled, not just +1/+1 counters
On to the activated ability, is a nice easy cost, and while the nonlegendary clause is sure to nip at you a couple of times for interactions you would love to have, there are lots of excellent targets for Niko to flicker and result in three or more extra white or blue ETB effects, just look at Karmic Guide, Trinket Mage, and Junk Winder
Also, he costs three mana for a 2/3 with no particularly noteworthy combat potential