These are often cheap creatures with activated abilities that sacrifice one or more creatures for a boon, though the exact nature of both the cost and the reward varies greatly from card to card
The best version he's built had Opposition (with Vamp / Demonic to grab it), together with Bitterblossom, Whirler Rogue, Wharf Infiltrator (!) and Phantasmal Image
5 Agatha's Soul Cauldron (Extended Art) - $20.27 It stands to reason that a normal-set printing with a high price would have a slightly more expensive extended art version, since they're exclusive to Collector boosters
CGC Cards Services & Fees Scroll below to see the CGC grading, CGC Signature Series, and CGC x JSA tiers and services for direct submissions to CGC Cards in the United States
Card Name Mana Cost Type Sorcery Rarity Mythic Rare rules Text Until end of turn, any time you could activate a mana ability, you may pay 1 life
1 Happy meal contains 1 pack containing 4 promotional cards (out of 15 collectable cards) of that is 1 card with a holographic McDonald's pattern, and toys for the Pokemon Match Battle game, which appear to include 1 cardboard spinner again
