
Aspirant's Ascent | Instant | | Until end of turn, target creature gets +1/+3 and gains flying and toxic 1. (Players dealt combat damage by that creature also get a poison counter.) | Eli Minaya
2.0 LSV

Bring the Ending | Instant | | Counter target spell unless its controller pays {2}.
Corrupted — Counter that spell instead if its controller has three or more poison counters. | LA Draws
2.5 LSV

Experimental Augury | Instant | | Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Donato Giancola
2.5 LSV

Minor Misstep | Instant | | Counter target spell with mana value 1 or less. | Lorenzo Mastroianni
0.0 LSV

Prologue to Phyresis | Instant | | Each opponent gets a poison counter.
Draw a card. | Simon Dominic
2.0 LSV

Reject Imperfection | Instant | | Counter target spell. If that spell's mana value was 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | David Astruga
2.0 LSV

Serum Snare | Instant | | Return target nonland permanent to its owner's hand. If that permanent had mana value 3 or less, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Lauren K. Cannon
2.5 LSV