Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Haste (This creature can attack and {T} as soon as it comes under your control.) At the beginning of the end step, sacrifice this creature.

Echo {R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

{R}, {T}, Exile two cards from your graveyard: This creature deals 2 damage to any target.

Whenever this creature is dealt damage, it deals that much damage to you.

You may sacrifice two Mountains rather than pay this spell's mana cost. Fireblast deals 4 damage to any target.

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

Lightning Bolt deals 3 damage to any target.

Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls.

As this artifact enters, choose an opponent. At the beginning of the chosen player's upkeep, this artifact deals X damage to that player, where X is the number of cards in their hand minus 4.

Kicker {2} (You may pay an additional {2} as you cast this spell.) Destroy target artifact if its mana value is 2 or less. If this spell was kicked, destroy that artifact if its mana value is 5 or less instead.

Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls.

Pyroclasm deals 2 damage to each creature.

Choose one — • Counter target blue spell. • Destroy target blue permanent.

At the beginning of each player's upkeep, this enchantment deals 2 damage to that player. If a player would gain life, that player gains no life instead.