Dominaria

Kazarov, Sengir Pureblood | Legendary Creature | Vampire | Flying Whenever a creature an opponent controls is dealt damage, put a +1/+1 counter on Kazarov, Sengir Pureblood. {3}{R}: Kazarov deals 2 damage to target creature. | Igor Kieryluk

Goblin Chainwhirler | Creature | Goblin Warrior | First strike When Goblin Chainwhirler enters the battlefield, it deals 1 damage to each opponent and each creature and planeswalker they control. | Svetlin Velinov

Siege-Gang Commander | Creature | Goblin | When Siege-Gang Commander enters the battlefield, create three 1/1 red Goblin creature tokens. {1}{R}, Sacrifice a Goblin: Siege-Gang Commander deals 2 damage to any target. | Aaron Miller

Squee, the Immortal | Legendary Creature | Goblin | You may cast Squee, the Immortal from your graveyard or from exile. | Svetlin Velinov

Two-Headed Giant | Creature | Giant Warrior | Whenever Two-Headed Giant attacks, flip two coins. If both coins come up heads, Two-Headed Giant gains double strike until end of turn. If both coins come up tails, Two-Headed Giant gains menace until end of turn. | Simon Dominic

Grand Warlord Radha | Legendary Creature | Elf Warrior | Haste Whenever one or more creatures you control attack, add that much mana in any combination of {R} and/or {G}. Until end of turn, you don't lose this mana as steps and phases end. | Anna Steinbauer

Jodah, Archmage Eternal | Legendary Creature | Human Wizard | Flying You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast. | Yongjae Choi