You may not be able to literally select which cards are going to the graveyard with each discard spell, but by paying attention to what cards your opponent keeps and what they give up, you can try and time your punches to cut off their decisions and paralyze even the most powerful Constructed decks
One quick note: make sure to buy extra of both the inner and outer sleeves because while your cards will be protected, it doesnt mean your sleeves won't suffer some damage
Plus its an uncommon, so you can pick them up quite cheaply for your many artifact recursion needs
You don't choose which creature to sacrifice until Tip the Scales resolves
This means that for the majority of the match, Roger functions as a 9000-power juggernaut, exhausting the opponent's hand counters during standard attacks
If it connects, youre ahead on mana, ahead on cards, and already pushing damage