Quote from OrzhovPlaneswalker »
When I saw Shandalar on your map I almost fell off my chair in hysterical laughter!
If an ADHD 5 year-old were a plane, he/she'd be Shandalar. And I know, I was once that (ADD) little boy!
Shandalar: WEEEEEE DOMY CATCH ME!!!
Dominaria(clearly annoyed): Come on Shandalar leave me alone. Cant you see I'm going through another apocalypse?
S: FINE! *throws slivers at Dominaria before storming off*
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There's the if associated with replacement effects, which usually shows up at the beginning of the sentence. Usually formatted 'If an event would happen, do something different instead' (example: Parallel Lives)
Then, there's the intervening if that shows up on conditional triggers, which is formatted like this:
'When an event happens, if condition is true, do the following' (example: Renegade Rallier)
Exert is not a triggered ability, so it can't use the intervening if templating. That's probably why they decided to go for the 'when'.
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1 Sylvan Ranger
1 Augur of Bolas
1 Penumbra Spider
1 Falkenrath Noble
1 Entomber Exarch
1 Spire Monitor
2 Dinrova Horror
1 Broodmate Dragon
1 Magma Jet
1 Ground Assault
1 Putrefy
1 Auger Spree
1 Grisly Spectacle
2 Soul Ransom
1 Rewind
1 Urban Evolution
1 Cruel Ultimatum
1 Dimir Guildgate
3 Simic Guildgate
1 Crumbling Necropolis
1 Savage Lands
1 Scalding Tarn
4 Swamp
2 Island
1 Forest
1 Mountain