mtg invocation cards Magic The Gathering Masterpiece Single Card Pact of Negation 16 Amonkhet You lose half your life No Mercy | Masterpiece Series:

Endless Ranks of HYDRA is a sorcery that makes a 2/1 menacing Villain token for each opponent, and it returns to your hand whenever your commander enters or attacks so you can keep recasting it

Then, something like [c]Past in Flames[/c] will give them all flashback, so you can cast each one of them a second time

Now, this may seem like a bad thing, but here's where things get better - if your band is blocked, you (the attacking player) gets to choose how the blocking creature assigns damage to the creatures in your band - and you can assign damage however you want among the creatures in the band

Play Boosters cost 57, contain 14 cards with 14 rares, and are designed for Limited formats and casual collecting