M:tG card similarity search
2G · Creature — Troll Detective
Whenever Sample Collector attacks, you may collect evidence 3. When you do, put a +1/+1 counter on target creature you control. (To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.) 2/3
| Name | Mana | Type | Text | 
|---|---|---|---|
| Hunt the Weak | 3G | Sorcery | Put a +1/+1 counter on target creature you control. Then that creature fights target creature you don't control. (Each deals damage equal to its power to the other.) | 
| Subterranean Schooner | 1U | Artifact — Vehicle | Whenever Subterranean Schooner attacks, target creature that crewed it this turn explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard.) Crew 1 3/4 | 
| Invigorating Boon | 1G | Enchantment | Whenever a player cycles a card, you may put a +1/+1 counter on target creature. | 
| Invigorating Surge | 2G | Instant | Put a +1/+1 counter on target creature you control, then double the number of +1/+1 counters on that creature. | 
| Courage in Crisis | 2G | Sorcery | Put a +1/+1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | 
| Predator Ooze | GGG | Creature — Ooze | Indestructible Whenever Predator Ooze attacks, put a +1/+1 counter on it. Whenever a creature dealt damage by Predator Ooze this turn dies, put a +1/+1 counter on Predator Ooze. 1/1 | 
| Battlegrowth | G | Instant | Put a +1/+1 counter on target creature. | 
| Dragon Blood | 3 | Artifact | {3}, {T}: Put a +1/+1 counter on target creature. | 
| Vastwood Fortification | G | Instant | Put a +1/+1 counter on target creature. | 
| Keldon Warcaller | 1R | Creature — Human Warrior | Whenever Keldon Warcaller attacks, put a lore counter on target Saga you control. 2/2 |