Budget Alternatives to Gate to the Aether

Paroxysm $0.12 1R · Aura Enchant creature Guild Feud $0.18 5R · Enchantment At the beginning of your upkeep, target opponent reveals the top three cards of their library, ma... Arbiter of the Ideal $0.22 4UU · Sphinx Flying Audacious Swap $0.22 3R · Instant Casualty 2 Innocuous Researcher $0.28 3G · Centaur Detective Parley — Whenever this creature attacks, each player reveals the top card of their library. Lavabrink Floodgates $0.35 3R · Artifact {T}: Add {R}{R}. Game Preserve $0.40 2G · Enchantment At the beginning of your upkeep, each player reveals the top card of their library. Braids, Conjurer Adept $0.42 2UU · Human Wizard At the beginning of each player's upkeep, that player may put an artifact, creature, or land card... Psychic Battle $1.04 3UU · Enchantment Whenever a player chooses one or more targets, each player reveals the top card of their library. Curse of Unbinding $1.15 6U · Aura Curse Enchant player Hypergenesis $1.33 Sorcery Suspend 3—{1}{G}{G}