Core Set 2021

Battle-Rattle Shaman | Creature | Goblin Shaman | At the beginning of combat on your turn, you may have target creature get +2/+0 until end of turn. | Warren Mahy

Bolt Hound | Creature | Elemental Dog | Haste (This creature can attack and {T} as soon as it comes under your control.) Whenever Bolt Hound attacks, other creatures you control get +1/+0 until end of turn. | Forrest Imel

Chandra's Pyreling | Creature | Elemental Lizard | Whenever a source you control deals noncombat damage to an opponent, Chandra's Pyreling gets +1/+0 and gains double strike until end of turn. (It deals both first-strike and regular combat damage.) | Josu Hernaiz

Furious Rise | Enchantment | | At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with Furious Rise. | Chase Stone

Havoc Jester | Creature | Devil | Whenever you sacrifice a permanent, Havoc Jester deals 1 damage to any target. | Jason A. Engle

Heartfire Immolator | Creature | Human Wizard | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) {R}, Sacrifice Heartfire Immolator: It deals damage equal to its power to target creature or planeswalker. | Donato Giancola

Hellkite Punisher | Creature | Dragon | Flying {R}: Hellkite Punisher gets +1/+0 until end of turn. | Andrey Kuzinskiy

Kinetic Augur | Creature | Human Shaman | Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Kinetic Augur's power is equal to the number of instant and sorcery cards in your graveyard. When Kinetic Augur enters the battlefield, discard up to two cards, then draw that many cards. | Colin Boyer

Sanctum of Shattered Heights | Legendary Enchantment | Shrine | {1}, Discard a land card or Shrine card: Sanctum of Shattered Heights deals X damage to target creature or planeswalker, where X is the number of Shrines you control. | Johannes Voss

Soul Sear | Instant | | Soul Sear deals 5 damage to target creature or planeswalker. That permanent loses indestructible until end of turn. | Mathias Kollros

Traitorous Greed | Sorcery | | Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Add two mana of any one color. (The creature can attack and {T} this turn.) | Svetlin Velinov

Unleash Fury | Instant | | Double the power of target creature until end of turn. | Izzy

Volcanic Geyser | Instant | | Volcanic Geyser deals X damage to any target. | Clint Cearley

Alpine Houndmaster | Creature | Human Warrior | When Alpine Houndmaster enters the battlefield, you may search your library for a card named Alpine Watchdog and/or a card named Igneous Cur, reveal them, put them into your hand, then shuffle. Whenever Alpine Houndmaster attacks, it gets +X/+0 until end of turn, where X is the number of other attacking creatures. | Mark Behm

Experimental Overload | Sorcery | | Create an X/X blue and red Weird creature token, where X is the number of instant and sorcery cards in your graveyard. Then you may return an instant or sorcery card from your graveyard to your hand. Exile Experimental Overload. | Lie Setiawan

Dire Fleet Warmonger | Creature | Orc Pirate | At the beginning of combat on your turn, you may sacrifice another creature. If you do, Dire Fleet Warmonger gets +2/+2 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.) | Mathias Kollros

Leafkin Avenger | Creature | Elemental Druid | {T}: Add {G} for each creature with power 4 or greater you control. {7}{R}: Leafkin Avenger deals damage equal to its power to target player or planeswalker. | Filip Burburan