In the vast majority of games, the life that your opponent gains from you nuking their creatures with Swords to Plowshares will not amount to much, unless theyre playing a black deck with life-to-resource cards (watch out for Toxic Deluge or worse, Yawgmoths Bargain !) Swords to Plowshares isnt a particularly expensive card, and its very easy to find
For more from the latest Magic: The Gathering sets, you can still score over $50 off the Magic: The Gathering Bloomburrow Play Booster Box at Amazon
Shuffle Black Sun's Zenith into its owner's library
A random full-art Forest from Zendikar is worth about $1, and the foils are worth about $15
Best Leviathan Payoffs Your best leviathan payoffs are also your best sea creature payoffs, especially those that call out KLOS creatures (krakens, leviathans, octopuses, and serpents)