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
(Zero is even.) Your opponents can't block with creatures with even mana values
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)
Yet another sacrifice outlet, Promise of Aclazotz first gives you a demon as you send it on an adventure , and then it gives you more demons when it comes back as an enchantment
A random full-art Forest from Zendikar is worth about $1, and the foils are worth about $15
Support cards also add another layer to the games strategic depth, allowing you to play cards which can grant you different benefits