Rootha, Mercurial Artist + Sneak Attack + Seething Song
Rootha, Mercurial Artist
Sneak Attack
Seething Song
Requires
Rootha, Mercurial Artist must be on the battlefield.
Sneak Attack must be on the battlefield.
Seething Song must be in hand.
Mana needed: 
Steps
- Cast Seething Song by paying
. - Holding priority, activate Rootha by paying and returning it from the battlefield to your hand, copying Seething Song.
- Resolve the copy of Seething Song, adding .
- Activate Sneak Attack by paying , putting Rootha from your hand onto the battlefield.
- Repeat from step 2.
Results
Infinite ETB. Infinite LTB. Infinite magecraft triggers. Infinite red mana.
Rootha, Mercurial Artist
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