Keep reading, and well cover what all the rarity symbols look like in the TCG and on TCG Pocket
The only development issue after that was whether or not to have Sliver Legion affect itself
Players add effects to a chain, then the chain is resolved in reverse order (meaning Chain Link 1 happens last)

Ramp: Sakura-Tribe Elder, Rampant Growth, Farseek, Nature's Lore, Kodama's Reach, Explosive Vegetation, Skyshroud Claim, Tempt with Discovery, Urza's Incubator, Sword of Feast and Famine Card Advantage: Puresteel Paladin, Sram, Senior Edificer, Stone Haven Outfitter, Mask of Memory, Sword of Fire and Ice, Rishkar's Expertise, Hunter's Insight, Life's Legacy, Greater Good, Lifecrafter's Bestiary, Sylvan Library Protection: Heroic Intervention, Champion's Helm, Nim Deathmantle, Conqueror's Flail, Teferi's Protection, Indomitable Archangel, Leonin Abunas Disruption: Dispatch, Aura Shards, Scavenging Ooze, Swords to Plowshares, Dromoka's Command, Beast Within, Return to Dust, Wrath of God, Day of Judgment, Phyrexian Reclamation, Fumigate, Austere Command, Rest in Peace, Relic of Progenitus, Nature's Claim, Sylvan Reclamation Recursion: Sword of Light and Shadow, Nahiri, the Lithomancer, Buried Ruin
So they love cards, too