They go back into your hand, so the best cards to sacrifice are ones with good ETB/LTB abilities, preferably cheap ones
Drawing a card and creating 2/2s is a decent stax piece, and this cards stats reflect that, but something about it leaves me wanting
Ayula, Queen Among Bears Heres an example list from a Modern Horizons draft a friend of mine (Slatorade) did: The only spells in this pile of 36 Forests are Ayula's Influence (all lands can be instant, 0-mana 2/2 bears), Ayula, Queen Among Bears herself (2/2 for one green that rewards you for putting bears into play), and two Winding Ways which would almost always draw four Forests
By contrast, the archenemy is strongly incentivised to load up on sweepers, each opponent effects and other multi-target spells which can drain the hero side of significant resources per cast
Take note of which sets are next in line to be removed from Standard or Alchemy and use cards from them sparingly
While Ral Zareks ability is generally more powerful than casting Time Stretch, the marginal utility of a fifth turn over a fourth is generally not as great as the first extra turn over zero
