What really happens is that when the clone's first ability triggers and resolves, it immediately triggers again
Notably, this Selesnya Dino legend can be cheated into play as early as turn one(!) with the three-mana planeswalker Sorin, Imperious Bloodlords -3 ability, because in addition to being a Dino, its also a Vampire
When you'd draw a card (except for the draw step), it will allow you to draw an extra card as well
The instants and sorceries are a little basic, mostly revolving around targeted removal or board wiping of specific card types, but that's to be expected from Mono-White
Today, were here to help you upgrade the Necron Dynasties precon
That's quite the upgrade, I think