-Sign in to Steem-Engine.com with your Keychain (secure).
-Click into TOKENS.
-Search UNTAMED or ORB
To the right click on the arrows going left and right (on top of each other), this opens the MARKET.
You can see the BUY orders in GREEN and the SELL orders in RED.
Scroll down underneath the SELL ORDERS. You can see the amount they are sold for and how many are available at that price.
Right below the chart you see BUY UNTAMED (on the left).
Enter the amount that matches the top available amount in the SELL list. Then choose HOW MANY you wish to purchase. Do it. Buy them.
To TRANSFER your UNTAMED packs to SPLINTERLANDS (so you can open them) go back to your WALLET, find the UNTAMED tokens and to the right find the SEND TOKENS button (it looks like a swoopy arrow in a box).
Send your tokens to 
Go to Splinterlands.com and to the OPEN page.
Congrats! Your new packs are waiting for you to open them!
Click and drag a pack into the circle and watch the magic!