mtg tarkir dragonstorm cards The 41 Best in Tarkir: Ranked color gameplay Tarkir: Dragonstorm Variants Visual Spoiler

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

You might take away their fourth land or their preferred three drop but that won't actually do anything for two or three turns which greatly reduces the value of Blackmail being one mana

This doesn't target the player or permanent it will enchant, so an opponent's permanent with hexproof may be chosen this way

This puts it practically on par with Lightning Bolt, though losing the instant speed timing and being only able to target your opponent really does a lot to diminish the power of the card