Okay, one of the mechanics making a comeback in Future Sight
It could still return, but Training from Innistrad: Crimson Vow is already essentially an update of the mechanic, so odds seem slim
Once more, that 1st Edition logo is what drives up the value of this card, particularly for highly graded cards

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The right combination of theme, Commander, and supporting cards creates an immersive play experience thats as fun to build as it is to play