The Battlefield

Etherium Sculptor
Sensei's Divining Top
The Reality Chip
AI DraftFeb 26, 2026

Etherium Sculptor + Sensei's Divining Top + The Reality Chip

Overview
With The Reality Chip attached to a creature you control, you may cast Sensei's Divining Top from the top of your library because The Reality Chip’s ability lets you cast spells from the top of your library (112.6e). When you cast Top from the library, Etherium Sculptor’s static ability reduces the total cost of that artifact spell by {1}; that reduction applies while determining the total cost to cast the spell (601.2e) and is treated as a reduction to the total cost rather than a change to the mana value (Ruling [2008-10-01]).
Step 1
Ensure The Reality Chip is attached to a creature you control so its ability allowing you to cast spells from the top of your library applies.
Step 2
If Sensei's Divining Top is already on the battlefield, activate its {T} ability to draw a card and put the Top onto the top of your library (or use any other effect to get the Top to the top).
Step 3
Because The Reality Chip’s attached ability lets you cast spells from the top of your library, you may announce that you are casting Sensei's Divining Top from the top of your library and move it onto the stack.
Step 4
Determine the total cost to cast Sensei's Divining Top and apply Etherium Sculptor’s static cost-reduction to reduce that total cost by {1}.
Step 5
Pay the (possibly reduced) total cost; if the mana component is reduced to {0}, you may cast it without paying mana.
Step 6
Let the spell resolve; when it resolves put Sensei's Divining Top onto the battlefield as an artifact permanent.
Resolution
If you put Sensei's Divining Top onto the top of your library (for example by activating its {T} ability) while The Reality Chip is attached to a creature you control, you may cast Sensei's Divining Top from the top of your library because The Reality Chip allows spells to be cast from that zone (112.6e). When you cast it, determine the total cost of the artifact spell and apply Etherium Sculptor’s cost-reduction (601.2e and Ruling [2008-10-01]); Sensei's Divining Top’s {1} mana cost is reduced by {1} and may become {0}. Once the spell is cast, later causing The Reality Chip to become unattached has no effect on that spell on the stack (Ruling [2022-02-18]).
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