Displacer Kitten + Guile + Draining Whelk

Prerequisites

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Steps

1. 1Cast any noncreature spell from your hand by paying its mana cost, or wait for an opponent to cast one.
2. 2Holding priority, cast Draining Whelk by paying .
3. 3Draining Whelk enters the battlefield, exiling the spell and causing you to cast the spell from exile without paying its mana cost due to Guile, and putting a number of +1/+1 counters on Draining Whelk equal to the spell's mana value.
4. 4Displacer Kitten triggers, blinking Draining Whelk.
5. 5Repeat from step 3.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite magecraft triggers
• Infinite storm count