Players need new cards to keep up with the game, of course, but that doesnt account for the huge success of Collector Boosters
It's a very strong ability and, if you can keep Kronk healthy and protected , can help you fill your side of the board with characters
Or you can -2 him twice with his starting loyalty to make a Construct artifact with size equal to your artifact count so he's a win con in artifacts but good everywhere in politically minded brews
The body and cost of this recursive dork stop it being a good tempo or a good value play despite trying to appear as if it were both
Bloodline Keeper / Lord of Lineage A mono-black Vampire card providing substantial support to the archetype, Bloodline Keeper / Lord of Lineage is also a standout example of one of Innistrads key mechanics: transforming double-faced cards
When that ability resolves, the player who was dealt combat damage this way loses the game even if Summon: Primal Odin isn't on the battlefield anymore or is controlled by another player