In addition, I play two , which is just a generically good draw Supporter that provides some hand disruption, an aspect that should not be underrated even if it isnt part of the decks main strategy
This is the kind of thing that could see play in a Legacy Elves deck
Rydia, Summoner of Mist Commander Deck List Growing Up Fast View on Archidekt Commander (1) 1 Rydia, Summoner of MistRydia, Summoner of Mist Creatures (29) 1 Aftermath AnalystAftermath Analyst 1 Arbor ElfArbor Elf 1 Birds of ParadiseBirds of Paradise 1 Elvish MysticElvish Mystic 1 Eternal WitnessEternal Witness 1 Evolution WitnessEvolution Witness 1 FerropedeFerropede 1 Fyndhorn ElvesFyndhorn Elves 1 GemrazerGemrazer 1 Goblin AnarchomancerGoblin Anarchomancer 1 Golgari Grave-TrollGolgari Grave-Troll 1 HexavusHexavus 1 Llanowar ElvesLlanowar Elves 1 Migratory GreathornMigratory Greathorn 1 Sanctum WeaverSanctum Weaver 1 Sawtusk DemolisherSawtusk Demolisher 1 Shigeki, Jukai VisionaryShigeki, Jukai Visionary 1 Summon: BahamutSummon: Bahamut 1 Summon: Esper RamuhSummon: Esper Ramuh 1 Summon: Esper ValigarmandaSummon: Esper Valigarmanda 1 Summon: Fat ChocoboSummon: Fat Chocobo 1 Summon: FenrirSummon: Fenrir 1 Summon: G.F

Note: Riffle shuffling with the cards facing upwards is pointless, and in fact undoes any prior shuffling, since you are regaining information at the same time as you are losing it
A spell cast this way may be cast at a time you normally wouldn't be able to cast a spell of that type, but other restrictions (such as "Cast this spell only during combat") are enforced