La saga d'Urza

{X}, {T}: Search your library for a creature card with converted mana cost X or less, reveal it, and put it into your hand. Then shuffle your library.

At the beginning of your upkeep, you may put a soot counter on Smokestack. At the beginning of each player's upkeep, that player sacrifices a perma...

{5}, {T}: Shuffle your library, then reveal the top card. Until end of turn, for as long as that card remains on top of your library, play with the...

{2}, {T}, Sacrifice Pit Trap: Destroy target attacking creature without flying. It can't be regenerated.

{3}: Each player puts the top two cards of their library into their graveyard.

Wirecat can't attack or block if an enchantment is on the battlefield.

You may choose not to untap Endoskeleton during your untap step. {2}, {T}: Target creature gets +0/+3 for as long as Endoskeleton remains tapped.

{0}: Hopping Automaton gets -1/-1 and gains flying until end of turn.

When a spell or ability an opponent controls causes you to discard Metrognome, create four 1/1 colorless Gnome artifact creature tokens. {4}, {T}: ...