Trample Leviathan enters the battlefield tapped and doesn't untap during your untap step. At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan. Leviathan can't attack unless you sacrifice two Islands.
Exile target instant or sorcery card from a graveyard. Copy that card three times. You may cast the copies without paying their mana costs. Exile Mnemonic Deluge.
Past, present, and future surged through the wizard's mind, bringing a flood of possibilities.
Undergrowth — This spell costs {1} less to cast for each creature card in your graveyard. When Molderhulk enters the battlefield, return target land card from your graveyard to the battlefield.
Myojin of Life's Web enters the battlefield with a divinity counter on it if you cast it from your hand. Myojin of Life's Web has indestructible as long as it has a divinity counter on it. Remove a divinity counter from Myojin of Life's Web: Put any number of creature cards from your hand onto the battlefield.
When Portal to Phyrexia enters the battlefield, each opponent sacrifices three creatures. At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control. It's a Phyrexian in addition to its other types.
After five thousand years, the nightmare returned.
Two target players exchange life totals. You create an X/X colorless Horror artifact creature token, where X is the difference between those players' life totals.
"Those that fall short of perfection can still contribute to the Great Work." —Keskit, the Flesh Sculptor
This spell costs {1} less to cast for each card you own in exile and in your graveyard that's an instant card, a sorcery card, or a card that has an Adventure. Ward {4}
When Shichifukujin Dragon comes into play, put seven +1/+1 counters on it. {R}{R}{R}, Sacrifice two +1/+1 counters: Put three +1/+1 counters on Shichifukujin Dragon at end of turn. Play this ability as a sorcery.
When you cast this spell, copy it for each time you've cast your commander from the command zone this game. Each opponent sacrifices a creature. Each opponent who can't loses half their life, rounded up.