mtg all wheel cards and Deal [Onslaught] cast it without paying its mana cost.) Each player discards his or her hand Wheel of Fortune

It doesn't wear off during the cleanup step

You can draw up to three cards on your end step

Invasion of Alara Invasion of Alara is a battle that'll give you an option between two cards to cast with mana value 4 or less

Sisters of Stone Death I'm not sure about you, but I find it odd that a gorgon doesn't have deathtouch

Combo decks, aggressive decks like Hammer Time, and 4 colour grindy decks all like having access to the card for multiple reasons

This is certainly true in the case of Blex, Vexing Pest: a Lord for not just Snakes, but also several other niche creature types as well, including Bats, Spiders, and Insects