cards like training grounds mtg (MAT) #193 This effect cant reduce the amount of mana an ability costs to activate to less than one mana. SCD]] Mindshrieker - Cube Card

it's their actual quote from the game, and it works even if this card isn't as aligned to their Blue Magic shenanigans as Quistis Trepe

Storybook Ride (eternal) Artifact Attraction Visit Exile the top X cards of your library, where X is the number of Attractions you've visited this turn (including this one)

The two big factors that make Liliana substantially better than Mind Rot and company are that she stays in play and that she can Cruel Edict for -2 loyalty

It must also not have an activated ability that costs a different color than your Commander

Whenever Atemsis deals damage to an opponent, you may reveal your hand

There are a few broad archetypes of decks in Vintage: blue piles, Workshop decks, Bazaar decks, and creature decks