Flying Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, Thunderbreak Regent deals 3 damage to that player.
Destroy target permanent. Its controller creates a 3/3 green Beast creature token.
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Whenever a creature you control attacks alone, it gains double strike until end of turn. 3/3
Flying When Ryusei, the Falling Star dies, it deals 5 damage to each creature without flying. 5/5
Changeling (This card is every creature type.) {X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types. 1/1
Arvinox, the Mind Flail isn’t a creature unless you control three or more permanents you don’t own. At the beginning of your end step, exile the bottom card of each opponent’s library face down. For as long as those cards remain exiled, you may look at them, you may cast permanent spells from among them, and you may spend mana as though it were mana of any color to cast those spells. 9/9
While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able. 1/1
Haste Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) Prevent all noncombat damage that would be dealt to other creatures you control. {R}{W}: Tajic, Legion’s Edge gains first strike until end of turn. 3/2
Magical Tinkering — {W}, {T}, Sacrifice an artifact: Search your library for an artifact card with mana value equal to 1 plus the sacrificed artifact’s mana value, put it onto the battlefield, then shuffle. Activate only as a sorcery. 2/2
Flying Whenever Stinkweed Imp deals combat damage to a creature, destroy that creature. Dredge 5 (If you would draw a card, you may mill five cards instead. If you do, return this card from your graveyard to your hand.) 1/2
Enchant snow land you control When On Thin Ice enters, exile target creature an opponent controls until On Thin Ice leaves the battlefield.
{T}, Sacrifice Mishra’s Bauble: Look at the top card of target player’s library. Draw a card at the beginning of the next turn’s upkeep.
If a source would deal damage to a player, you may prevent X of that damage, where X is the number of Clerics you control. 3/4