M:tG card similarity search
2U · Enchantment
Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Soul Barrier | 2U | Enchantment | Whenever an opponent casts a creature spell, Soul Barrier deals 2 damage to that player unless they pay {2}. | 
| Satyr Enchanter | 1GW | Creature — Satyr Druid | Whenever you cast an enchantment spell, draw a card. 2/2 | 
| Primordial Sage | 4GG | Creature — Spirit | Whenever you cast a creature spell, you may draw a card. 4/5 | 
| Rose Noble | 3U | Legendary Creature — Human | Ward {2} Whenever you cast a Doctor spell or creature spell with doctor's companion, draw a card. Doctor's companion (You can have two commanders if the other is the Doctor.) 2/3 | 
| Reki, the History of Kamigawa | 2G | Legendary Creature — Human Shaman | Whenever you cast a legendary spell, draw a card. 1/2 | 
| Beast Whisperer | 2GG | Creature — Elf Druid | Whenever you cast a creature spell, draw a card. 2/3 | 
| Iron Star | 1 | Artifact | Whenever a player casts a red spell, you may pay {1}. If you do, you gain 1 life. | 
| Mangara, the Diplomat | 3W | Legendary Creature — Human Cleric | Lifelink Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, draw a card. Whenever an opponent casts their second spell each turn, draw a card. 2/4 | 
| Wooden Sphere | 1 | Artifact | Whenever a player casts a green spell, you may pay {1}. If you do, you gain 1 life. | 
| River Kelpie | 3UU | Creature — Beast | Whenever River Kelpie or another permanent enters the battlefield from a graveyard, draw a card. Whenever a player casts a spell from a graveyard, draw a card. Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.) 3/3 |