Hour of Promise qualifies as big ramp, putting any two lands into play
Since both your win and loss conditions are shared, its totally viable for one or more players to forgo advancing a game plan and play a pure spoiler role, particularly with counterspells or prison effects
Technically still tournament legal (Judges Discretion)
How you get 38 of those in your hand is up to you, but the blueprints to create something ridiculous have been provided for an EDH player brave enough to put it to paper
The reprints include 19 Unglued cards, 24 Unhinged cards, 27 Unstable cards, and 1 Hascon promo card reprint: Sword of Dungeons & Dragons
Theres no way a sleeve-playable blue dual should be this inexpensivethe market is indeed soft, but this always turns around after a while, and 2019 will not be the exception