The reason for this is that you dont want your favorite card game to trick you into buying expensive card packs, expansions, etc
Gallery and List of Gifting Cards Blooming Blast Coiling Rebirth Consumed by Greed Cruelclaw's Heist Crumb and Get It Dawn's Truce Dewdrop Cure Into the Flood Maw Kitnap Long River's Pull Longstalk Brawl Mind Spiral Nocturnal Hunger Octomancer Parting Gust Peerless Recycling Perch Protection Sazacap's Brew Scrapshooter Starfall Invocation Starforged Sword Valley Rally Wear Down Wildfire Howl Best Gifting Cards While there are many types of gifts, Food tokens are often the most tolerable ones to give to your opponents
Engle Your life total is a resource
Spoilers Whenever an opponent scries, surveils, or searches their library, put a +1/+1 counter on River Song
12 By Invitation Only Innistrad: Crimson Vow's By Invitation Only is a white board wipe for five mana that offers a significant degree of flexibility, forcing the whole table to sacrifice up to 13 creatures each
I just felt obliged to point out that I own Brandon Bozzi with this card