Whenever you attack, you may discard a card. When you do, put a +1/+1 counter on target attacking creature. It gains trample until end of turn. Whenever you discard one or more cards, exile the top card of your library. You may play that card until your next end step.

Haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Thopters you control have haste. Whenever you play a land from exile or cast a spell from exile, create a 1/1 colorless Thopter artifact creature token with flying.

Enchant Mountain you control When this Aura enters, exile target creature an opponent controls until this Aura leaves the battlefield. (That creature returns under its owner's control.)

Target creature gets +2/+0 until end of turn. Create a Monster Role token attached to it. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1 and has trample.)

Play with Fire deals 2 damage to any target. If a player is dealt damage this way, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{T}: Add {C}. {T}: Add {R} or {W}. This land deals 1 damage to you.

This land enters tapped unless you control two or fewer other lands. {T}: Add {R} or {W}.

({T}: Add {R}.)

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Destroy target creature, enchantment, or planeswalker. Its controller creates two Map tokens. (They're artifacts with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")

Companion — No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) {T}: Add {W}{U}{B}{R}{G}. This mana can't be spent to pay generic mana costs.

Menace Players can't gain life. Whenever another creature enters, this creature deals 1 damage to that creature's controller.

This Vehicle enters with three charge counters on it. {2}, {T}, Remove a charge counter from this Vehicle: Draw a card. Then if there are no charge counters on this Vehicle, create a Treasure token and a 1/1 colorless Pilot creature token with "This token crews Vehicles as though its power were 2 greater." Crew 3

This spell can't be countered. Rending Volley deals 4 damage to target white or blue creature.

When this enchantment enters, exile all graveyards. If a card or token would be put into a graveyard from anywhere, exile it instead.