This can be tricky with cards like Swords to Plowshares and Kenrith's Transformation seeing plenty of play
how well it did in a recent tournament)
When you cast a TDFC, you cast it as the front face, and it enters the battlefield with its front face up. Then each TDFC has further instructions on how you can transform it to its backside.Take Kefka, Court Mage: You spend , and you get to transform it into Kefka, Ruler of Ruin Or Ultimecia, Time Sorceress: Pay and exile eight cards from your graveyard, and she turns into Ultimecia, Omnipotent, giving you a whole extra turn as cherry on top
In best-of-three games, its possible to board out your companion
Forest Gaelicat Gigantoad Gohn, Town of Ruin Gongaga, Reactor Town Goobbue Gardener Gran Pulse Ochu Guadosalam, Farplane Gateway Gysahl Greens Haste Magic Hecteyes Hill Gigas Ice Flan Ice Magic Insomnia, Crown City Instant Ramen Iron Giant Island Item Shopkeep Laughing Mad Light of Judgment Loporrit Scout Lunatic Pandora Magic Damper Magic Pot Magitek Infantry Malboro Monk's Fist Mountain Mysidian Elder Namazu Trader Paladin's Arms Plains Prishe's Wanderings Qiqirn Merchant Qutrub Forayer Rabanastre, Royal City Red Mage's Rapier Resentful Revelation Retrieve the Esper Rook Turret Sabotender Sage's Nouliths Sahagin Scorpion Sentinel Sephiroth's Intervention Sharlayan, Nation of Scholars