Whenever you cast an instant or sorcery spell, you get {E}{E} (two energy counters). {T}, Pay {E}{E}{E}{E}{E}: Dynavolt Tower deals 3 damage to any target.

Each player may play an additional land on each of their turns. At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.

{T}, Discard a card: Up to one target creature can't be blocked this turn. Whenever Key to the City becomes untapped, you may pay {2}. If you do, draw a card.

If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

{8}, {T}: Search your library for a permanent card, put it onto the battlefield, then shuffle.

Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When Bloodwater Entity enters the battlefield, you may put target instant or sorcery card from your graveyard on top of your library.

{7}: Create a token that's a copy of target artifact. That token gains haste. Exile it at the beginning of the next end step.

Whenever you cast a noncreature spell, put a +1/+1 counter on Deeproot Champion.

{T}: Add {G}.

Whenever another Elf enters the battlefield under your control, put a +1/+1 counter on Marwyn, the Nurturer. {T}: Add an amount of {G} equal to Marwyn's power.

When Merfolk Branchwalker enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

During each of your turns, you may play a land and cast a permanent spell of each permanent type from your graveyard. (If a card has multiple permanent types, choose one as you play it.)

Flash When Naru Meha, Master Wizard enters the battlefield, copy target instant or sorcery spell you control. You may choose new targets for the copy. Other Wizards you control get +1/+1.

At the beginning of each upkeep, if you lost life last turn, put a +1/+1 counter on Paladin of Atonement. When Paladin of Atonement dies, you gain life equal to its toughness.

Flash Flying You may cast historic spells as though they had flash. (Artifacts, legendaries, and Sagas are historic.)

Trample When Raging Swordtooth enters the battlefield, it deals 1 damage to each other creature.

Whenever you cast your first spell each turn, reveal the top card of your library. You may cast it without paying its mana cost if it's a spell with lesser mana value. If you don't cast it, put it into your hand.

Whenever you cast your first spell each turn, reveal the top card of your library. You may cast it without paying its mana cost if it's a spell with lesser mana value. If you don't cast it, put it into your hand.

Flash Double strike, vigilance, haste Other creatures you control have haste. {W}, {T}: Untap another target creature.

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) When Slinn Voda, the Rising Deep enters the battlefield, if it was kicked, return all creatures to their owners' hands except for Merfolk, Krakens, Leviathans, Octopuses, and Serpents.

When Sparring Mummy enters the battlefield, untap target creature.

Flying Whenever you cast a historic spell, return target creature card with mana value 3 or less from your graveyard to the battlefield. (Artifacts, legendaries, and Sagas are historic.)

Whenever Thorn Lieutenant becomes the target of a spell or ability an opponent controls, create a 1/1 green Elf Warrior creature token. {5}{G}: Thorn Lieutenant gets +4/+4 until end of turn.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

When Baffling End enters the battlefield, exile target creature an opponent controls with mana value 3 or less. When Baffling End leaves the battlefield, target opponent creates a 3/3 green Dinosaur creature token with trample.

When Oath of Teferi enters the battlefield, exile another target permanent you control. Return it to the battlefield under its owner's control at the beginning of the next end step. You may activate the loyalty abilities of planeswalkers you control twice each turn rather than only once.

At the beginning of your upkeep, target opponent mills three cards, then you draw a card for each land card put into their graveyard this way.

Flash Enchant creature Enchanted creature gets +0/+2 as long as it's a Pirate. Otherwise, it gets -2/-0.

Flash When Seal Away enters the battlefield, exile target tapped creature an opponent controls until Seal Away leaves the battlefield.

Destroy target enchantment.

Tap up to two target creatures. Cycling {W} ({W}, Discard this card: Draw a card.)

Exile target artifact or enchantment. Cycling {2} ({2}, Discard this card: Draw a card.)

When Aether Hub enters the battlefield, you get {E} (an energy counter). {T}: Add {C}. {T}, Pay {E}: Add one mana of any color.

Blooming Marsh enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {B} or {G}.

Botanical Sanctum enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {G} or {U}.

({T}: Add {U}.)

{T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

+2: Untap all creatures you control. Those creatures get +1/+1 until end of turn. 0: Until end of turn, Gideon, Martial Paragon becomes a 5/5 Human Soldier creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn. −10: Creatures you control get +2/+2 until end of turn. Tap all creatures your opponents control.