Cards that include the Venture keyword will span the spectrum of card rarity in Adventures in the Forgotten Realms, down to common cards such as the new Shortcut Seeker
If the cost of an activated ability requires Illusionist's Bracers or the equipped creature to be sacrificed, the ability won't be copied
It doesn't copy whether that Equipment 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
Pikachu is sitting in a suitcase, looking as though they just threw your items on the ground as a way to tell you to hurry up and get ready
In the proper build, which ideally would be a creature heavy deck with big back ends (Treefolk, dragons, or you know even, Eldrazi) this Green sorcery is not only a resource boost but a potential game ender