Throw your opponent off their game before the game's even started. Set this mammoth of a spindown die on the table, and assert your dominance without playing a single card. (Not recommended for smaller tables.)
(Side note: these ones rendered kinda funny, but it shouldn't be an issue with the actual print.)
Others in this set:
D4
D4 (bottom edge)
D6
D8
D10 (ones)
D10 (tens)
D12
D12 (rhombic)
D20
Basic set