If a Wizard you control entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Flying Creatures you control with flying have "Spells your opponents cast that target this creature cost {2} more to cast."

Flying Whenever you cast an instant, sorcery, or Wizard spell, this creature gets +2/+0 until end of turn.

Target creature you control gets +1/+0 and gains first strike until end of turn. Overload {1}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

This spell costs {1} less to cast if you control a creature with flying. Draw two cards.

Flying, haste {T}: The next instant or sorcery spell you cast this turn costs {X} less to cast, where X is the number of Wizards you control as this ability resolves.

Target creature you control gets +1/+0 until end of turn and can't be blocked this turn. Overload {3}{U}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

This spell costs {2} less to cast if you control a Wizard. Wizard's Lightning deals 3 damage to any target.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {R}.