Target opponent reveals their hand. You may copy an instant or sorcery card in it. If you do, you may cast the copy without paying its mana cost.

Whenever you cast an instant or sorcery spell, create a 5/5 red Dragon creature token with flying.

If an opponent drew three or more cards this turn, you may pay rather than pay this spell's mana cost.
Runeflare Trap deals damage to target player equal to the number of cards in that player's hand.

Whenever this creature deals combat damage to a player, you may destroy target artifact that player controls.

First strike
Cycling
When you cycle this card, put a first strike counter on target creature you control.

Flying
Dethrone
Whenever this creature attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures. After this phase, there is an additional combat phase.

Flying
: Creatures you control get +1/+0 until end of turn.

Trample
, Sacrifice a land: Draw a card.
Mountaincycling

This spell costs less to cast for each creature in your party. (Your party consists of up to one of each Cleric, Rogue, Warrior, and Wizard.)
Haste

Flying
: This creature gets +1/+0 until end of turn.

Flying
When this creature dies, return it to its owner's hand.

During your turn, Shocker has first strike.
Vibro-Shock Gauntlets — When Shocker enters, he deals 2 damage to target creature and 2 damage to that creature's controller.

Flying
Whenever this creature deals combat damage to a player, it deals 1 damage to each creature that player controls.

Trample
Untapped creatures can't block.
Tapped creatures can block.

Bloodthirst 3
Flying
: Return this card from your graveyard to your hand. Activate only if an opponent was dealt damage this turn.

Haste
Echo — Sacrifice two lands.

When Skoa enters, it deals 4 damage to any target.
Grandeur — Discard another card named Skoa, Embermage, Sacrifice two Mountains: Skoa deals 4 damage to any target.

Slice and Dice deals 4 damage to each creature.
Cycling
When you cycle this card, you may have it deal 1 damage to each creature.

First strike
: This creature deals 3 damage to target player or planeswalker and 3 damage to up to one target creature that player or that planeswalker's controller controls.
, Exile this card from your graveyard: It deals 3 damage to target player or planeswalker and 3 damage to up to one target creature that player or that planeswalker's controller controls.

Roll a six-sided die. Assemble a number of Contraptions equal to the result. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)

Flying
Whenever Stet, Draconic Proofreader attacks, you may exile a card from your graveyard. When you do, Stet, Draconic Proofreader deals 4 damage to any target whose name begins with the same letter as the exiled card.
: Delete the first letter of target permanent or player's name until end of turn.

Flying
Other Dragons you control get +1/+1.
Storm

Enrage — Whenever this creature is dealt damage, it deals 3 damage to target opponent or planeswalker.

Exile target instant or sorcery card from your graveyard. Creatures you control get +X/+0 until end of turn, where X is that card's mana value. Whenever a creature you control deals combat damage to a player this turn, copy the exiled card. You may cast the copy without paying its mana cost.

Echo
This creature attacks each combat if able.

You may put an artifact or creature card from your hand onto the battlefield. That permanent gains haste, "When this permanent leaves the battlefield, it deals damage equal to its mana value to each creature," and "At the beginning of your end step, sacrifice this permanent."

Flying, haste
When this creature enters, you get (two energy counters). Then you may pay one or more . When you do, this creature deals that much damage to each other creature.