These are all US prices, but an idea, anyway. I don't have access to commie bucks so you may have to translate that to your money. (I'm assuming pricier in Canada?)
Ryzen 3600 + cooler = $175(US)
Buy AMD Ryzen 5 3rd Gen - RYZEN 5 3600 Matisse (Zen 2) 6-Core 3.6 GHz (4.2 GHz Max Boost) Socket AM4 65W 100-100000031BOX Desktop Processor with fast shipping and top-rated customer service. Once you know, you Newegg!
www.newegg.com
B450 MOBO for $110
(I can't really speak to the quality of this one, but should be sufficient for most uses, and in budget)
Buy ASUS TUF B450-PLUS GAMING AM4 AMD B450 SATA 6Gb/s USB 3.1 HDMI ATX AMD Motherboard with fast shipping and top-rated customer service. Once you know, you Newegg!
www.newegg.com
32GB PC3600 DDR4 for $150
Buy G.SKILL Ripjaws V Series 32GB (2 x 16GB) 288-Pin PC RAM DDR4 3600 (PC4 28800) Desktop Memory Model F4-3600C16D-32GVKC with fast shipping and top-rated customer service. Once you know, you Newegg!
www.newegg.com
5700 XT = $380
Buy Used - Like New: XFX Radeon RX 5700 XT 8GB GDDR6 PCI Express 4.0 ATX Video Card RX-57XT83LD8 with fast shipping and top-rated customer service. Once you know, you Newegg!
www.newegg.com
550 W Gold PSU $100
(can't speak for the real quality, but Antec is usually OK, right? I'm sure the PSU gods will crucify me)
Buy Antec Earthwatts Gold Pro Series EA750G Pro 750W Semi-Modular, 80 PLUS GOLD, 120mm Silent Fan, PhaseWave Design, 7 Year Warranty with fast shipping and top-rated customer service. Once you know, you Newegg!
www.newegg.com
1TB Evo SSD SATA = $140
kinda small capactiy, and NvMe would be better, but hey, budget!
Buy SAMSUNG 860 EVO Series 2.5" 1TB SATA III V-NAND 3-bit MLC Internal Solid State Drive (SSD) MZ-76E1T0B/AM with fast shipping and top-rated customer service. Once you know, you Newegg!
www.newegg.com
now bolt it all to your wall and don't worry about a case!
If anything, I would maybe downgrade that GPU to an RTX 2060 or 1680, or regular 5700 or something, because those are all being refreshed soon and you might want to replace those sooner....or better, just up the budget and spend ~$450 on a RTX 2070 Super and get more life out of it?
These prices are very current, though. Shouldn't indicate long term reliability.