Black Sonic [DRLG-EN030] Secret Rare

Black Sonic [DRLG-EN030] Secret RareSet: Dragons of Legend Card type: Normal Trap Rarity: Secret Rare When an opponent's monster declares an attack on a "Blackwing" monster you control: Banish all face up Attack Position monsters your opponent controls. If you control exactly 3 "Blackwing" monsters (and no other monsters), you can activate this card from your hand.

Set: Duel Decks Anthology Type: Creature — Rat Rarity: Common Cost: {1}{B} When Ravenous Rats enters the battlefield

Set: Ultimate Masters Type: Instant Rarity: Uncommon Cost: {2}{U} Counter target spell unless its controller pays {1} for each card in your graveyard

Schmategy has the indicated effect

Very low ceilings

Set: Magic 2013 Type: Creature — Hydra Rarity: Mythic Cost: {X}{G}{G} Primordial Hydra enters the battlefield with X +1/+1 counters on it

leonin occasionally "mistake" their old enemies for game

Set: Zendikar Type: Land Rarity: Common Kabira Crossroads enters the battlefield tapped

Reckless Endeavor deals damage equal to that result to each creature

Set: Unstable Type: Artifact — Contraption Rarity: Rare Whenever you crank Goblin Slingshot

Set: Homelands Type: Enchantment — Aura Rarity: Common Cost: {1}{B}{B} Enchant creature

it deals that much damage to target planeswalker that player controls

Set: Dragons of Tarkir Type: Creature — Bird Rarity: Common Cost: {1}{W} Flying