Codie, Vociferous Codex + Chain Stasis + Training Grounds

Prerequisites

• Codie does not have summoning sickness.

Steps

1. 1Cast Chain Stasis by paying , targeting Codie.
2. 2Holding priority, activate Codie by paying and tapping it, adding .
3. 3Resolve Chain Stasis, untapping Codie and causing you to pay to copy Chain Stasis, with the copy targeting Codie.
4. 4Repeat from step 2.
5. 5Once you have an arbitrarily large number of Codie triggers, you may choose not to copy Chain Stasis and cast any instant or sorcery by paying its mana cost, reduced by the added in step 1.
6. 6Codie triggers for each time you activated its ability.
7. 7Resolve the first trigger, causing you to exile cards from the top of your library until you exile an instant or sorcery spell with lesser mana value, and allowing you to cast that spell without paying its mana cost.
8. 8Repeat step 6 for each remaining trigger.
9. 9You may also repeat this combo for each instant and sorcery card in your hand as mana permits, and on subsequent turns.

Effects

• Cast a subset of spells in your library
• Infinite magecraft triggers