yugioh summoned skull deck Toon PE-12 Prices | Japanese Structure Deck: Pegasus Toon Summoned Skull - Yu-Gi-Oh!

There you have the original card and the traded card, plus your friend has both cards also

Oozes don't traditionally have anything to do with Storm, but they do care about +1/+1 Counters (Predator Ooze) and often Go Wide (Biowaste Blob), so building upon that theme with cards like Hardened Scales and Inspiring Call could be a fun direction

There are Shop Tokens, there are Hourglass, there are Tickets and there are Emblems - it's all there, but as far as I can tell, you can only buy one of these, and while it's technically possible, it's not exactly front and centre in the interface

The -1 seems underwhelming, and the +1 is complex

They also really like fire