Awaken the Maelstrom Baleful Mastery Black Widow, Agile Avenger Booby Trap Consecrated Sphinx Defacing Duskmage Faerie Mastermind Fate Unraveler Infernal Offering Kederekt Parasite Leela, Sevateem Warrior Malignant Growth Mathas, Fiend Seeker Mind's Eye Mind's Eye Nekusar, the Mindrazer Norn's Decree North Pole Research Base Notion Thief Ob Nixilis Reignited Ob Nixilis, the Hate-Twisted Orcish Bowmasters Pendant of Prosperity Razorkin Needlehead Red Death, Shipwrecker Saltwater Stalwart Sapphire Charm Sazacap's Brew Scrawling Crawler Sheoldred, the Apocalypse Smothering Tithe Tataru Taru The Unagi of Kyoshi Island Thief of Existence Trouble in Pairs Underworld Dreams Wedding Ring Xyris, the Writhing Storm Zurzoth, Chaos Rider
I could have just had this fetch a forest, but it would have made the symmetry across the cycle a lot trickier, and made it feel less like a Llanowar Elf
Short answer: it depends on why you collect (prestige vs play vs long-term resale) and what you collect (rarities, promos, graded grails)
Doctor's companion (You can have two commanders if the other is the Doctor.) Whenever Amy Pond deals combat damage to a player, choose a suspended card you own and remove that many time counters from it
With red as one of its color identities, it is understandable that it gets five defense counters
Rites of Flourishing is a group hug card that helps all players equally, but it creates a problem in other strategies because you spend your mana on a card that helps everybody