Orvar will allow you to use instants and sorcery spells to target your permanents and make token copies of them
Similarly, if you sacrifice a creature to activate a mana ability while casting a spell with convoke, that creature wont be on the battlefield when you pay the spells costs, so you wont be able to tap it for convoke
I explained exactly how this devilish duo worked when The Master Multiplied shot up in value last week, so to keep it short and sweet, I'll just say that targeting The Master when you first cast Deadpool, Trading Card lets you make a bunch of Deadpool tokens on subsequent turns and borrow all of your opponents' best creatures
Being designated as Ace Spec meant that only one copy could be included in a deck
High-quality holographic finish for a stunning visual appeal
She is a great part of any deck intent on summoning the most powerful of Dark-type monster cards