M:tG card similarity search
2WW · Creature — Bird
Flying Whenever Aetherstorm Roc or another creature enters the battlefield under your control, you get {E} (an energy counter). Whenever Aetherstorm Roc attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it and tap up to one target creature defending player controls. 3/3
| Name | Mana | Type | Text | 
|---|---|---|---|
| Goliath Truck | 4 | Artifact — Vehicle | Stowage — Whenever Goliath Truck attacks, put two +1/+1 counters on another target attacking creature. Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.) 4/4 | 
| Goblin Racketeer | 3R | Creature — Goblin Rogue | Whenever Goblin Racketeer attacks, you may goad target creature defending player controls. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.) 4/2 | 
| Planar Ally | 3WW | Creature — Angel | Flying Whenever Planar Ally attacks, venture into the dungeon. (Enter the first room or advance to the next room.) 3/3 | 
| Rhox Veteran | 3W | Creature — Rhino Soldier | Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Whenever Rhox Veteran attacks, tap target creature an opponent controls. 2/4 | 
| Consul's Shieldguard | 3W | Creature — Dwarf Soldier | When Consul's Shieldguard enters the battlefield, you get {E}{E} (two energy counters). Whenever Consul's Shieldguard attacks, you may pay {E}. If you do, another target attacking creature gains indestructible until end of turn. 3/4 | 
| Youthful Valkyrie | 1W | Creature — Angel | Flying Whenever another Angel enters the battlefield under your control, put a +1/+1 counter on Youthful Valkyrie. 1/3 | 
| Graypelt Hunter | 3G | Creature — Human Warrior Ally | Trample Whenever Graypelt Hunter or another Ally enters the battlefield under your control, you may put a +1/+1 counter on Graypelt Hunter. 2/2 | 
| Master of Diversion | 2W | Creature — Human Scout | Whenever Master of Diversion attacks, tap target creature defending player controls. 2/2 | 
| Cordial Vampire | BB | Creature — Vampire | Whenever Cordial Vampire or another creature dies, put a +1/+1 counter on each Vampire you control. 1/1 | 
| Majestic Heliopterus | 3W | Creature — Dinosaur | Flying Whenever Majestic Heliopterus attacks, another target Dinosaur you control gains flying until end of turn. 2/2 |