The Battlefield

Ob Nixilis, the Hate-Twisted
Peer into the Abyss
AI DraftFeb 26, 2026

Ob Nixilis, the Hate-Twisted + Peer into the Abyss

Overview
When Peer into the Abyss resolves, the target player draws ceil(L/2) cards (where L is the number of cards in that library) and loses ceil(L/2) life; each individual card draw is an event that will cause Ob Nixilis, the Hate-Twisted’s “Whenever an opponent draws a card” ability to trigger once per card drawn, so Ob Nixilis will create that many triggered abilities. Those triggers are put on the stack after Peer resolves and will each deal 1 damage when they resolve .
Step 1
Cast Peer into the Abyss targeting a player. At resolution you determine that player's library size L and calculate N = ceil(L/2) to know how many cards they will draw and how much life they will lose (ruling: rounding up each time) [Ruling [2020-06-23]].
Step 2
Perform the instructions of Peer into the Abyss as it resolves: the target player draws N cards and loses N life (the spell’s instructions are carried out; the draws are events that have occurred once the resolution finishes) .
Step 3
Each individual card drawn is an event that can cause “Whenever an opponent draws a card” to trigger. Because N cards were drawn, Ob Nixilis’s triggered ability triggers N separate times (one trigger per card drawn) .
Step 4
After Peer resolves, the N Ob Nixilis triggers are put on the stack. They will be handled like any other triggered abilities (players get priority, triggers resolve in APNAP order in multiplayer, etc.).
Step 5
Each Ob Nixilis trigger resolves independently and deals 1 damage to the player (damage to a player causes them to lose that much life) . If any of those damage events (or the life loss caused by Peer) causes the player’s life total to be 0 or less, that player loses the game immediately as a state-based action .
Step 6
If Peer tried to draw more cards than the library actually contains and a draw attempt occurs with no cards remaining, the player will lose the game due to attempting to draw from an empty library (state-based action) .
Resolution
Peer into the Abyss causes the target to draw N = ceil(L/2) cards; Ob Nixilis’s ability triggers N times (once for each card drawn). The Peer resolution finishes (the draw(s) and the life loss happen as instructed), then the N Ob Nixilis triggers are placed on the stack. Each trigger that resolves deals 1 damage to that player; if that damage (or any other effect) causes their life to be 0 or less they lose the game .
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