I feel Veil is one of the most unfair and annoying cards to play against as a Control player: Counter + Draw is basically Cryptic Command cmc1
The somewhat secret ability that I believe is the most powerful is the +1, which most likely takes the last remaining cards from your opponents hand
Since thousands of legendary creatures have been printed so far, this list is heavily narrowed down using a simple criterion: overall popularity in Commander and impact across other Constructed formats
Creatures (24) 4 Crested Sunmare 2 Carnage Tyrant 4 Priest of the Wakening Sun 1 Kinjalli's Sunwing 1 Verdant Sun's Avatar 1 Gishath, Sun's Avatar 1 Regisaur Alpha 1 Ripjaw Raptor 1 Wakening Sun's Avatar 4 Drover of the Mighty 4 Kinjalli's Caller Lands (28) Spells (8) This is far from the only way to build Dinosaurs, as there are more solid Dinosaurs than theres room in a deck
It doesn't copy whether that permanent is tapped or untapped, whether it has any counters on it or any Auras or Equipment attached to it, or any non-copy effects that have changed its types, color, power and toughness, and so on
Its certainly a role player and wont be ubiquitous in these decks, but the incidental value it provides is second to none