The shape indicates which set, or edition, that particular card was printed in, and the color indicates the rarity , as follows: Cards printed before the Exodus set in 1998 did not use colored symbols to show rarity, and many of these cards have no set symbol at all
This is very useful for coming out ahead in messy combat situations
1d12 may be rolled
So if your Tetsuko Umezawa, Fugitive gets in unblocked and you try to ninjutsu Silver-Fur Master into play, and an opponent Stifles it, the stays paid, the Fugitive returns to your hand, and the Master is revealed and stays in your hand
He also synergizes with the Mutagen mechanic natively, making this card a valuable upgrade for the TMNT preconstructed deck as well
4 Attune With Aether Deceptively Consistent Attune with Aether is a lesson in floors and ceilings