Stone - removes toxic puddles. No effect on cloud.
Ice - can convert puddles either way. Freezes toxic cloud nullifying it into a turd.
Wind - can combine tornado with toxic spray. (fire makes it explode) Tornado and Toxic Cloud can nullify each other. Why? Ask the dumpster baby devs.
Lightning - Can electrify toxins dealing AoE.
Fire - Makes cloud go big boom. Can combine with fire wall to make cover that blocks shots.

Lightning - Nullifies each other with small window
Ice - Shockwave shatters ice puddles. ice can freeze boulderfall. If Boulderfall hits puddles you get ice blocks.
Fire - Combines with shockwave for big dam which can also block fireballs. Combines with boulderfall to create majora's mask moon
Toxic - can destroy toxic puddles. Toxic Cloud is immune.
Wind - Tornado redirects Boulderfall for epic trickshot & can also block basic wind.

Ice - Cancels each other and makes steam. Bill Nye said so.
Lightning - Sucks in lightning and nerfs it.
Toxic - Clouds go big boom. Can turn fire walls into cover.
Stone - Boulderfall = doom moon. Shockwave can spread fire.
Wind - basic wind cuts through fire attacks. Turns tornado into fire. (Which can be exploded by toxic)

Ice - Electrifies puddles and turns steam into DAMAGE boyyy
Fire - Drags in and nerfs.
Toxic - Shocks puddles and Clouds making AoE damage.
Stone - Nullifies each other with timing.
Wind - Just makes the tornado spicy.

Lightning - Electrifies puddles and basic ice attacks. AoE damage to steam
Fire - bruh I already told you, they cancel each other and create steam ♥♥♥♥♥♥♥♥.
Toxic - Freezes it. wow. Use solid cloud as cover if you want, probably won't work. hope I get you killed.
Stone - Freezes Boulderfall. If Boulderfall hits puddles ice blocks go everywhere. puddles get shattered by shockwave.
Wind - Tornado destroys all ice. Basic wind shatters ice puddles.

Toxic - toxic shots and puddles combine with tornado. Basic wind can destroy a toxic cloud after some hits and budge it around. Cloud can cancel tornado though because devs got an education from a dumpster.
Fire - combines with tornado. Gets canceled by basic wind.
Lightning - combines with tornado. basic wind can be shocked to slap players and make them uninstall.
Ice- gets destroyed by wind and makes a whole bunch of annoying mist. Tornado will redirect ice shots turning them into trickshots. If you miss, you have to replay tutorial.
Stone - Boulderfall blocks basic wind but gets redirected by tornado making another trickshot.