While the value in the set is high enough that you should still come out ahead buying individual packs (on average), the box topper itself technically cuts nearly $2 off the price of an Ultimate Masters booster pack, which is a lot of free value to give up for no good reason
Like Vampiric Dragon, you can toss a counter onto something about to die, and like it, the death trigger is for any creature, including your own
The best elf printed this year in the Jumpstart Elf pack no less brings so much to the table that Im sad I dont get to play it in the formats between Legacy and Historic
Its used in some red prison decks that use planeswalker cards like Chandra, Torch of Defiance that generates mana to rebuild faster or fast mana sources like Chrome Mox
Since other people are sacrificing creatures, play It That Betrays
You can destroy any creature with a mana value of 2 or less, and together with fetch lands you can remove any creature with a MV up to 4