Look at the top five cards of your library. You may reveal a colorless card from among them and put it into your hand. Then put the rest on the bottom of your library in any order.

Constellation — Whenever an enchantment you control enters, tap target creature an opponent controls.

When Conqueror's Galleon attacks, exile it at end of combat, then return it to the battlefield transformed under your control.

Crew 4 (Tap any number of creatures you control with total power 4 or more: This Vehicle becomes an artifact creature until end of turn.)

Vigilance

Knight of the Widget's power and toughness are each equal to the number of Order of the Widget watermarks among permanents you control.

Rampart Smasher can't be blocked by Knights or Walls.

When Spirit of the Season enters, it gains haste if it's summer. Put a +1/+1 counter on it if it's autumn. You gain 5 life if it's winter. If it's spring, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Enchant creature

Enchanted creature gets +3/+3, has reach, and is a Giant in addition to its other types.