As Lydari Elephant enters, choose two numbers from 3 to 7 at random. Lydari Elephant's power is equal to the first number chosen and its toughness equal to the second number chosen.
At the beginning of your upkeep, you and target opponent each reveal the top card of your library. You each lose life equal to the mana value of the card revealed by the other player. You each put the card you revealed into your hand.
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.
Explosions aren't necessarily failures, just a different kind of success.
Kicker—Sacrifice a land. Prevent all combat damage target creature would deal this turn. If this spell was kicked, prevent all combat damage another target creature would deal this turn.
At the beginning of your upkeep, return an instant or sorcery card at random from your graveyard to your hand. Whenever you cast an instant or sorcery spell, this creature gets +4/+0 until end of turn.
When Urza's Construction Drone enters, conjure cards named Urza's Mine, Urza's Power Plant, and Urza's Tower into your library, then shuffle. Whenever Urza's Construction Drone attacks or dies, seek an Urza's land card.
When this artifact enters, scry 2. Whenever another artifact you control with mana value 3 or greater enters, create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."