Super mardi

Flying {2}, Return a land you control to its owner's hand: Target land becomes the basic land type of your choice until end of turn.

Reveal the top three cards of your library. An opponent chooses one of them. Put that card into your graveyard and the rest into your hand.

Flying {2}, Return a land you control to its owner's hand: Untap target land.

Flying {2}, Return a land you control to its owner's hand: Target creature gets -X/-0 until end of turn, where X is the number of cards in your hand.

Counter target spell unless its controller pays {1} for each card in your hand.

Counter target creature spell. Draw cards equal to that spell's mana value.

When this creature dies, if 4 or more damage was dealt to it this turn, draw three cards.

You may have Sakashima the Impostor enter as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary i...

As long as you have more cards in hand than each opponent, this creature gets +2/+2 and has flying.

Whenever this creature blocks or becomes blocked by a creature, change this creature's base power and toughness to that creature's power and toughn...

Exchange control of two target lands. Splice onto Arcane {3}{U} (As you cast an Arcane spell, you may reveal this card from your hand and pay its s...

Flying Channel — {U}, Discard this card: Target creature gains flying until end of turn.

Flying Soramaro's power and toughness are each equal to the number of cards in your hand. {4}, Return a land you control to its owner's hand: Draw ...

Your maximum hand size is increased by two. At the beginning of your upkeep, return a blue creature you control to its owner's hand.

Copy target instant or sorcery spell. You may choose new targets for the copy.

Flying Metalcraft — {U}: Exile this creature. Return it to the battlefield under your control at the beginning of the next end step. Activate only ...

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Enchanted creature doesn't untap during its controller's untap...

Flying When this creature dies, draw a card.

Return target nonland permanent to its owner's hand.

Whenever a permanent deals damage to you, return it to its owner's hand.

Other blue creatures you control get +1/+1. {U}: Target artifact creature becomes blue until end of turn. Tap an untapped blue creature you control...

Counter target artifact spell. Draw a card.

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying Metalcraft — When this creature enters, if you control three or more artifacts, return target creature to its owner's hand.