Of the two, the Madrigal deck feels a bit more complete because it is largely made up of Madrigals with a few other cards sprinkled in, while the Frozen deck is a bit of Frozen, a bit of Tangled, a bit of Hercules, with some Mulan, and Raya, and Mickey Mouse thrown in the pot
[I] Reveal the top card of your library
Wrap Up Flooded Strand | Illustration by Andreas Rocha Understanding how lands function in your decks as mana-fixing, value cards, or build-around engines, is vital to becoming a better brewer in any format
Contagion usually trades two cards (the Contagion plus another black card) for two creatures, which seems like a good deal to me for zero mana
Thrummingbird Thrummingbird is the Phyrexian bird horror that could, giving counter-based decks a consistent source of proliferation since Scars of Mirrodin
Inflating the resources available to all players significantly distorts the game balance of Magic