Flying, vigilance: Prevent all damage that would be dealt to another target creature this turn by sources of the color of your choice.: Prevent all damage that would be dealt to target player or planeswalker this turn by sources of the color of your choice.
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.)Choose a nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles.
FlyingWhenever Master of Predicaments deals combat damage to a player, choose a card in your hand. That player guesses whether the card's mana value is greater than 4. If the player guessed wrong, you may cast the card without paying its mana cost.
First strike: Soul of Shandalar deals 3 damage to target player or planeswalker and 3 damage to up to one target creature that player or that planeswalker's controller controls., Exile Soul of Shandalar from your graveyard: Soul of Shandalar deals 3 damage to target player or planeswalker and 3 damage to up to one target creature that player or that...
FlyingWhen Siege Dragon enters, destroy all Walls your opponents control.Whenever Siege Dragon attacks, if defending player controls no Walls, it deals 2 damage to each creature without flying that player controls.
FlyingWhen this creature enters, you may search your library for an artifact card, exile it, then shuffle.When this creature dies, you may put the exiled card into its owner's hand.
At the beginning of your upkeep, create a colorless artifact token named Land Mine with ", Sacrifice this artifact: This artifact deals 2 damage to target attacking creature without flying." Then flip a coin. If you lose the flip, Goblin Kaboomist deals 2 damage to itself.
Other green creatures you control get +1/+1., : Another target green creature you control gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)