+Worlds (9)
You may play lands from your graveyard.
: Choose target nonland permanent card in your graveyard. If you haven't cast a spell this turn, you may cast that card. If you do, you can't cast additional spells this turn. Activate only as a sorcery.
Whenever you cast a spell, populate. (Create a token that's a copy of a creature token you control.)
Each player may shuffle their hand and graveyard into their library. Each player who does draws seven cards. Exile Step Between Worlds.
Plot (You may pay and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)
Wand of the Worldsoul enters tapped.
: Add .
: The next spell you cast this turn has convoke.
Whenever equipped creature deals combat damage to a player, destroy all permanents other than Worldslayer.
Equip (: Attach to target creature you control. Equip only as a sorcery.)
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Worldsoul Colossus enters with X +1/+1 counters on it.
Worldsoul's Rage deals X damage to any target. Put up to X land cards from your hand and/or graveyard onto the battlefield tapped.
Trample
When Worldspine Wurm dies, create three 5/5 green Wurm creature tokens with trample.
When Worldspine Wurm is put into a graveyard from anywhere, shuffle it into its owner's library.
Gatherer works better in the Companion app!
: Choose target nonland permanent card in your graveyard. If you haven't cast a spell this turn, you may cast that card. If you do, you can't cast additional spells this turn. Activate only as a sorcery.