Boxing Day

This spell has flash as long as you control a Merfolk. Return target creature to its owner's hand. Draw a card.

Destroy target artifact, creature, or land. Aftershock deals 3 damage to you.

Welding Sparks deals X damage to target creature, where X is 3 plus the number of artifacts you control.

This spell costs {1} less to cast for each artifact you control. {5}{U}: Gearseeker Serpent can't be blocked this turn.

Thriving Heath enters the battlefield tapped. As Thriving Heath enters the battlefield, choose a color other than white. {T}: Add {W} or one mana o...

Equipped creature gets +1/+1. Whenever equipped creature deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sac...

Flying When Faerie Seer enters the battlefield, scry 2.

Clockwork Hydra enters the battlefield with four +1/+1 counters on it. Whenever Clockwork Hydra attacks or blocks, remove a +1/+1 counter from it. ...

Enchant creature or planeswalker When Hold for Questioning enters the battlefield, tap enchanted permanent and investigate. (Create a Clue token. I...

Thriving Grove enters the battlefield tapped. As Thriving Grove enters the battlefield, choose a color other than green. {T}: Add {G} or one mana o...

{3}, {T}: Target player puts the bottom card of their library into their graveyard. If it's a creature card, you create a 2/2 black Zombie creature...

{U}, Sacrifice Aether Spellbomb: Return target creature to its owner's hand. {1}, Sacrifice Aether Spellbomb: Draw a card.

When Quarry Beetle enters the battlefield, you may return target land card from your graveyard to the battlefield.

Whenever an opponent is dealt noncombat damage, creatures you control get +1/+0 until end of turn.

Target creature gets +2/+0 and gains first strike until end of turn. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact:...

Exile the top three cards of your library. Until the end of your next turn, you may play those cards. If this spell was cast from a graveyard, you ...

Create three 1/1 red Goblin creature tokens.

Menace (This creature can't be blocked except by two or more creatures.)

Planar Atlas enters the battlefield tapped. When Planar Atlas enters the battlefield, you may look at the top four cards of your library. If you do...

Enchant creature Enchanted creature gets +2/+2, has flying, and is a Demon in addition to its other types. When Inner Demon enters the battlefield,...

When Doomed Dissenter dies, create a 2/2 black Zombie creature token.

When Demon's Disciple enters the battlefield, each player sacrifices a creature or planeswalker.

Whenever a permanent you control becomes untapped, Wake Thrasher gets +1/+1 until end of turn.

River Sneak can't be blocked. Whenever another Merfolk enters the battlefield under your control, River Sneak gets +1/+1 until end of turn.