There are eight Praetor characters and 18 unique praetor cards in Magic, representing each color with a few extra in black
If you've already collected a number of cards in a rental deck before unlocking it, these will already be applied for the deck, so you don't need to worry about pulling them again
As a deck builder, its hard for me to see how the combo doesnt collapse most blue decks into the same play pattern, as I hope these decks have demonstrated, as I think theyre very different kinds of decks
Soul Feast and Renounce fueled additional draws from the Bargain, and Yawgmoths Will was eventually a way to get enough extra power to get over the hump and actually finish someone off
Leviathans in Magic are often just as impactful, though some of the earlier ones hurt you more than they hurt your opponents
So, based on that you know our Colossus friend here comes from the Ninth Edition core set (the symbol), and that he's a rare card (the gold color).More information about cards can be found in our giant-yet-easily-searchable card database Gatherer