M:tG card similarity search
2GG · Creature — Beast
Whenever Erithizon attacks, put a +1/+1 counter on target creature of defending player's choice. 4/4
| Name | Mana | Type | Text | 
|---|---|---|---|
| Thriving Ibex | 3W | Creature — Goat | When Thriving Ibex enters the battlefield, you get {E}{E} (two energy counters). Whenever Thriving Ibex attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it. 2/4 | 
| Thriving Grubs | 1R | Creature — Gremlin | When Thriving Grubs enters the battlefield, you get {E}{E} (two energy counters). Whenever Thriving Grubs attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it. 2/1 | 
| Thriving Rhino | 2G | Creature — Rhino | When Thriving Rhino enters the battlefield, you get {E}{E} (two energy counters). Whenever Thriving Rhino attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it. 2/3 | 
| Greatsword of Tyr | 1W | Artifact — Equipment | Whenever equipped creature attacks, put a +1/+1 counter on it and tap up to one target creature defending player controls. Equip {W} ({W}: Attach to target creature you control. Equip only as a sorcery.) | 
| Trygon Prime | 2GU | Creature — Tyranid | Subterranean Assault — Whenever Trygon Prime attacks, put a +1/+1 counter on it and a +1/+1 counter on up to one other target attacking creature. That creature can't be blocked this turn. 4/4 | 
| The Haunt of Hightower | 4BB | Legendary Creature — Vampire | Flying, lifelink Whenever The Haunt of Hightower attacks, defending player discards a card. Whenever a card is put into an opponent's graveyard from anywhere, put a +1/+1 counter on The Haunt of Hightower. 3/3 | 
| Invigorating Boon | 1G | Enchantment | Whenever a player cycles a card, you may put a +1/+1 counter on target creature. | 
| Fungusaur | 3G | Creature — Fungus Dinosaur | Whenever Fungusaur is dealt damage, put a +1/+1 counter on it. 2/2 | 
| Kalonian Hydra | 3GG | Creature — Hydra | Trample Kalonian Hydra enters the battlefield with four +1/+1 counters on it. Whenever Kalonian Hydra attacks, double the number of +1/+1 counters on each creature you control. 0/0 | 
| Snapping Sailback | 4G | Creature — Dinosaur | Flash Enrage — Whenever Snapping Sailback is dealt damage, put a +1/+1 counter on it. (It must survive the damage to get the counter.) 4/4 |