If Faithless Looting for then again for is too broken for a format where you're allowed to have 4 Amulet of Vigor in play at the same time, consider a card like Merfolk Looter
Standard is our only rotating format, and while keeping it fresh is important, we also feel that there's a more effective middle ground. In my opinion, this also makes new cards a bit less impactful (at least for those playing the killer decks): as shown by non-rotating formats like Modern, Pioneer, and Explorer, the bigger the card pool, the less impactful new cards tend to be
This card allows you to remove opposing Creatures, as well as granting evasion to your own via trample
Bulk Up is our choice for the best ever printed in the 2-mana slot
When the last is removed, the player may cast it without paying its mana cost