Dimir Tempo leans on cheap countermagic like Force of Will and Daze plus tempo-disrupting threats such as Murktide Regent and Tamiyo, so Show and Tell lets you dump Griselbrand or Atraxa straight onto the battlefield, bypassing both their counters and their removal timing. Unmask becomes weaker here since the opponent's hand is full of reactive spells rather than a single key piece, and against a deck full of cheap interaction it telegraphs your reanimation targets without protecting them. Abrade comes in as a clean answer to a resolved Bilbo, since 3 damage kills it, while Koma's seven-mana cost is too slow against a deck that can Wasteland you and counter your big spells before you ever get there. Keep the reanimation core intact since Shallow Grave and Animate Dead punish any turn they tap out or leave up Daze rather than a real counter.

Chalice of the Void set at 0 or 1 blanks most of our cheap spells (Lotus Petal, Dark Ritual, Reanimate, Thoughtseize, Cabal Therapy), so Show and Tell (mana value 3) is one of our few ways to still land a threat around it. Shallow Grave comes out since the haste-exile clause is a liability against a deck that just wants to grind with card advantage engines like Kozilek's Command. Abrade answers Chalice of the Void outright, which is huge since we have almost no other way to interact with artifacts. Prioritize discard with Thoughtseize, Unmask, or Cabal Therapy on their Thought-Knot Seer and Chalice before it locks us out.

Ocelot Pride Midrange doesn't attack the graveyard, but Karakas can bounce a reanimated legendary (Griselbrand, Atraxa) and Wasteland punishes our thin manabase, so resilience matters more than raw speed. Show and Tell lets us put Griselbrand or Atraxa directly into play without needing graveyard setup, sidestepping mana disruption on turns we're already ritual-light. Shallow Grave is the weakest reanimation spell here since the haste-and-exile clause wastes Griselbrand's lifelink/card draw against a deck that doesn't need to be closed out in one turn. Keep all our discard spells online to strip Swords to Plowshares and Static Prison before they can answer our threat.