Convolute | Instant | | Counter target spell unless its controller pays {4}. | Viktor Titov
1.5 LSV
Deny Existence | Instant | | Counter target creature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. | Christopher Moeller
1.5 LSV
Essence Flux | Instant | | Exile target creature you control, then return that card to the battlefield under its owner's control. If it's a Spirit, put a +1/+1 counter on it. | Seb McKinnon
1.5 LSV
Jace's Scrutiny | Instant | | Target creature gets -4/-0 until end of turn.
Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") | Slawomir Maniak
2.5 LSV