This has happened a few times in the history of MTG, but is most commonly found in 4th edition
Flame Of Anor The Flame of Anor is an instant that costs 1 mana plus one blue mana and one red mana to cast and is absolutely brilliant in a deck that revolves around Wizards such as Gandalf or Saruman
Peregrin also synergises nicely with Gourmand's Talent, allowing you to gain 3 life and a 3/3 Racoon every turn for 2 mana
(Since you can only apply a replacement effect to a single event once, the nonsense stops there.) In that case, you'd flip a coin
This is combined with 10 dual lands (4x Tangles Islet, 2x Geothermal Bog, 2x Sacred Peaks, 2x Sunlit Marsh) allowing you to quickly and easily feed domain abilities
Here, its Birds, Towns, and Artifacts