Cards are randomly packed, so there is a chance of receiving duplicate cards
Granger Guildmage Rarity: Common TYPE: Creature SUBTYPE: Human Wizard CMC: 1 Mana cost: USD: $0.13 EUR: 0.15 TIX: 0.04 EDHREC RANK: 29931 (1/1) , : This creature deals 1 damage to any target and 1 damage to you
Card advantage is a strategic concept (rather than a specific game term) and a lot broader, and basically means having more cardboard than my opponents. For starters, any card that puts more cards in your hand is card advantage, even if it doesn't say draw. But card advantage also looks at what happens in other zones
The sequence is as follows: cast Loam to get three lands, then play one of those lands, discard another, get Loam back with dredge 3
But it also gives experienced Commander players all sorts of interesting new options for their existing Commander decks, plus innovative hooks to inspire new decks