The main goal is usually to exchange favors with other players: If I deal with that problem, will you promise not to attack me next turn? Politics decks use these interactions as their main focus, pitting opponents against each other while they build up for the win
1), add 1 The Winged Dragon of Ra from your Deck or GY to the your hand, and if you do, you can Tribute Summon 1 monster during your Main Phase this turn, in addition to your Normal Summon/Set
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But even for a free program, GIMP can definitely stand toe-to-toe with Photoshop: it has layers, transparency, text editing, guides the whole shebang
This is to give you a general idea of how the opponents deck wants to play so that you can prepare for what your opponent wants to do