+Roil (17)
Surge (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Tap target creature. It doesn't untap during its controller's next untap step.
Draw a card.
Kicker (You may pay an additional as you cast this spell.)
Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.
Flying, haste
: The next instant or sorcery spell you cast this turn costs less to cast, where X is the number of Wizards you control as this ability resolves.
Whenever you cast an instant or sorcery spell, you may put three +1/+1 counters on target land you control. If you do, that land becomes a 0/0 Elemental creature with haste that's still a land.
When Omnath, Locus of the Roil enters the battlefield, it deals damage to any target equal to the number of Elementals you control.
Landfall — Whenever a land enters the battlefield under your control, put a +1/+1 counter on target Elemental you control. If you control eight or more lands, draw a card.
Flying
Landfall — Whenever a land enters the battlefield under your control, you may gain control of target creature for as long as you control Roil Elemental.
Roil Eruption deals 3 damage to any target. If this spell was kicked, it deals 5 damage instead.
Put target creature on top of its owner's library.
Awaken 4— (If you cast this spell for , also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)
Roiling Horror's power and toughness are each equal to your life total minus the life total of an opponent with the most life.
Suspend X—. X can't be 0. (Rather than cast this card from your hand, you may pay and exile it with X time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)
Whenever a time counter is removed from Roiling Horror while it's exiled, target player loses 1 life and you gain 1 life.
Sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
Destroy target land, then Roiling Terrain deals damage to that land's controller equal to the number of land cards in that player's graveyard.
At the beginning of each player's upkeep, Roiling Vortex deals 1 damage to them.
Whenever a player casts a spell, if no mana was spent to cast that spell, Roiling Vortex deals 5 damage to that player.
: Your opponents can't gain life this turn.
Return up to two target creatures your opponents control to their owners' hands. Target player draws two cards.
Converge — Creatures your opponents control get -X/-0 until end of turn, where X is the number of colors of mana spent to cast this spell.
Roil's Retribution deals 5 damage divided as you choose among any number of target attacking or blocking creatures.
When Tazeem Roilmage enters the battlefield, if it was kicked, return target instant or sorcery card from your graveyard to your hand.
Landfall — Whenever a land enters the battlefield under your control, create a 2/2 green Elemental creature token.
Gatherer works better in the Companion app!