Agatha's Soul Cauldron + Phyrexian Devourer + Giggling Skitterspike

Prerequisites

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Steps

1. 1Activate Giggling Skitterspike using Phyrexian Devourer by exiling the top card of your library, putting a number of +1/+1 counters on Giggling Skitterspike equal to the card's mana value.
2. 2Repeat step 1 as desired.
3. 3Declare Giggling Skitterspike as an attacker, triggering its ability, dealing damage equal to its power to each opponent.

Effects

• Exile your library
• Near-infinite +1/+1 counters on a creature
• Near-infinite damage