Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
All seeds share a common bond, calling to each other across infinity.
Enchant player Whenever enchanted player is attacked, untap all nonland permanents you control. Each opponent attacking that player untaps all nonland permanents they control.
Graft 4 When Cytoplast Root-Kin enters the battlefield, put a +1/+1 counter on each other creature you control with a +1/+1 counter on it. {2}: Move a +1/+1 counter from target creature you control onto Cytoplast Root-Kin.
[+1]: Target player draws two cards, then discards two cards. [–2]: Gain control of target artifact. [–6]: You get an emblem with "Whenever you cast a spell that targets one or more permanents, gain control of those permanents."
The Simic use the claws as scalpels, while the Rakdos use them for tattooing and torture. The Gruul use them to pick their teeth after lunching on the rest of the carcass.
When Dance of Many enters the battlefield, create a token that's a copy of target nontoken creature. When Dance of Many leaves the battlefield, exile the token. When the token leaves the battlefield, sacrifice Dance of Many. At the beginning of your upkeep, sacrifice Dance of Many unless you pay {U}{U}.
[+1]: Create a 1/1 colorless Construct artifact creature token with defender. [–1]: You may sacrifice an artifact. If you do, destroy target artifact or creature. [–6]: Choose target artifact card in a graveyard or artifact on the battlefield. Create three tokens that are copies of it.
When Darigaaz's Caldera enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand. {T}: Add {B}, {R}, or {G}.
Destroy target nonblack creature. It can't be regenerated.
"Will not the mountains quake and hills melt at the coming of the darkness? Share this vision with your enemies, Lim-Dûl, and they shall wither." —Leshrac, Walker of Night