Anytime an opponent casts any spell, you amass Orcs for 1, constantly giving you a creature to sacrifice or a massive one to attack with
On the flip side, they work well with cards that make creatures unblockable like Alora, Merry Thief and Slip Through Space to snipe unsuspecting players who think theyre safe
Prices can vary between sites, but this is the one that we choose to use
The fact it can be recurred from the yard by exiling spells makes it a cut above Living Lore, for sure
If you use your marked deck in the right way, with well-constructed magic and with good audience management, then in practice your spectator will never even suspect your deck, or ask to examine the cards
12 is a lot of mana, but that amount should win you the game