Only running one because of the legendaryness
Consider Card Interactions: Magic: The Gathering is a game of complex interactions
The Mind Control ability is a fine payoff, though Im less excited about it
Ill entertain arguments both for and against Delay being a hard counter, as that spell, technically, is coming back at some point, and if it's a creature itll be even more threatening because of haste
In many games, the most pivotal decisions will revolve around whether to warp a creature for short-term value (getting a small effect and effectively drawing that creature) or cast it normally for immediate board presence
Im hoping against all odds that Lilianas inclusion in Pioneer makes some new archetypes competitive, like Grixis featuring value cards like Treasure Cruise (due to filling up your graveyard), alongside cards like Nicol Bolas