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Blood Scrivener is the effect most similar to this in the cube but not sufficiently to make useful comparisons

[2] Your "Trickstar" Link monsters that point to this card gain 1000 ATK

More about Secrets of Strixhaven Return to Strixhaven, Magic's beloved mage school, and uncover years of mysteries as you explore its hallowed halls and beyond

Again, if you have something like Doubling Season on the board, you can ramp up the effectiveness of this ability

If its controller sacrifices three creatures under their control, it flips into Abolisher of Bloodlines, a 6/5 Eldrazi Vampire which forces the opponent to sacrifice three of their own creatures after its transformation

to characters or Leaders to increase their attack power