This is a great example of a card that can be isolated and just bad without proper support

Release date: 2003-07-28 Angel of Mercy Eager Cadet Angelic Page Vengeance Ardent Militia Giant Octopus Avatar of Hope Sea Eagle Aven Cloudchaser Vizzerdrix Aven Flock Enormous Baloth Blessed Reversal Silverback Ape Blinding Angel Chastise Circle of Protection: Black Circle of Protection: Blue Circle of Protection: Green Circle of Protection: Red Circle of Protection: White Crossbow Infantry Demystify Diving Griffin Elite Archers Elite Javelineer Glorious Anthem Glory Seeker Healing Salve Holy Day Holy Strength Honor Guard Intrepid Hero Ivory Mask Karma Master Decoy Master Healer Noble Purpose Oracle's Attendants Pacifism Peach Garden Oath Rain of Blades Razorfoot Griffin Redeem Rolling Stones Sacred Ground Sacred Nectar Samite Healer Sanctimony Savannah Lions Seasoned Marshal Serra Angel Solidarity Spirit Link Standing Troops Staunch Defenders Story Circle Suntail Hawk Sunweb Sword Dancer Tundra Wolves Venerable Monk Wall of Swords Worship Wrath of God Air Elemental Archivist Aven Fisher Balance of Power Boomerang Bribery Catalog

After some decks arose with Soul Warden and Soul's Attendant and lifegain payoffs to go with them, these creatures that reward more creatures with lifegain have become colloquially known as soul sisters. Table of Contents show What Are Soul Sisters in MTG
Unlike the initial Cyber Dragon cards, these weren't competitive, but nevertheless, Cyberdark Dragon was the cover card of Cyberdark Impact and looks sick in ultimate rare foiling
Since the creatures are only temporary, that presumably allows the designers to pack a lot of power into the cards
One of the new Tarkir: Dragonstorm mechanics, Omen, is looking a little lackluster, especially in light of whats come before