Ravnica Allegiance

Sphinx of New Prahv | Creature | Sphinx | Flying, vigilance Spells your opponents cast that target Sphinx of New Prahv cost {2} more to cast. | Sara Winters

Basilica Bell-Haunt | Creature | Spirit | When Basilica Bell-Haunt enters the battlefield, each opponent discards a card and you gain 3 life. | Yeong-Hao Han

Frilled Mystic | Creature | Elf Lizard Wizard | Flash When Frilled Mystic enters the battlefield, you may counter target spell. | Randy Vargas

Sharktocrab | Creature | Shark Octopus Crab | {2}{G}{U}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.) Whenever one or more +1/+1 counters are put on Sharktocrab, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. | Jehan Choo

Macabre Mockery | Instant | | Put target creature card from an opponent's graveyard onto the battlefield under your control. It gets +2/+0 and gains haste until end of turn. Sacrifice it at the beginning of the next end step. | Deruchenko Alexander

Rakdos Firewheeler | Creature | Human Rogue | When Rakdos Firewheeler enters the battlefield, it deals 2 damage to target opponent and 2 damage to up to one target creature or planeswalker. | Slawomir Maniak

Sunder Shaman | Creature | Giant Shaman | Sunder Shaman can't be blocked by more than one creature. Whenever Sunder Shaman deals combat damage to a player, destroy target artifact or enchantment that player controls. | Jason Rainville

Collision // Colossus | Instant // Instant | | Collision deals 6 damage to target creature with flying. // Target creature gets +4/+2 and gains trample until end of turn. | Jason Rainville