
Boros Elite | Creature | Human Soldier | Battalion — Whenever Boros Elite and at least two other creatures attack, Boros Elite gets +2/+2 until end of turn. | Willian Murai

Gridlock | Instant | | Tap X target nonland permanents. | Yeong-Hao Han

Rapid Hybridization | Instant | | Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token. | Jack Wang

Illness in the Ranks | Enchantment | | Creature tokens get -1/-1. | Nils Hamm

Killing Glare | Instant | | Destroy target creature with power X or less. | Peter Mohrbacher

Thrull Parasite | Creature | Thrull | Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
{T}, Pay 2 life: Remove a counter from target nonland permanent. | Clint Cearley

Experiment One | Creature | Human Ooze | Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Remove two +1/+1 counters from Experiment One: Regenerate Experiment One. | Chase Stone

Serene Remembrance | Sorcery | | Shuffle Serene Remembrance and up to three target cards from a single graveyard into their owners' libraries. | David Palumbo

Wasteland Viper | Creature | Snake | Deathtouch
Bloodrush — {G}, Discard Wasteland Viper: Target attacking creature gets +1/+2 and gains deathtouch until end of turn. | Lucas Graciano