I can only think of six, the other possibly being Dark Ritual - and if you think Ritual is a problem remember what's coming at the end of this list
Though Multani had been initially reluctant to help, he found himself impressed by the insatiable nature of Yargle's appetite and found himself with a new appreciation for Urborg's strange ways
Do note that in a casual game, not only does the four copy limit not apply to Legion Angel (except within your deck, as normal) and nor are there any rules as to where the copy outside of the game comes from meaning you can just pull it from your personal collection of cards, as long as you have them with you), in a Tournament there are restrictions on how Legion Angel works
Niko, Light of Hope Niko, Light of Hope is a 2/3 human wizard that already makes two Shards, which are upgraded enchantment Clue tokens
1 Tamiyo's Safekeeping
A little investigation seems only natural