M:tG card similarity search
G · Instant
Counter target activated ability from an artifact source. (Mana abilities can't be targeted.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Diffusion Sliver | 1U | Creature — Sliver | Whenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}. 1/1 |
| Bill Potts | 3R | Legendary Creature — Human | Whenever you cast an instant or sorcery spell that targets only Bill Potts or activate an ability that targets only Bill Potts, copy that spell or ability. You may choose new targets for the copy. This ability triggers only once each turn. Doctor's companion (You can have two commanders if the other is the Doctor.) 2/4 |
| Ancient Greenwarden | 4GG | Creature — Elemental | Reach You may play lands from your graveyard. If a land entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. 5/7 |
| Mythos of Vadrok | 2RR | Sorcery | Mythos of Vadrok deals 5 damage divided as you choose among any number of target creatures and/or planeswalkers. If {W}{U} was spent to cast this spell, until your next turn, those permanents can't attack or block and their activated abilities can't be activated. |
| Ertha Jo, Frontier Mentor | 2RW | Legendary Creature — Kor Advisor | When Ertha Jo, Frontier Mentor enters the battlefield, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery." Whenever you activate an ability that targets a creature or player, copy that ability. You may choose new targets for the copy. 2/4 |
| Tablet of Compleation | 2 | Artifact | {T}: Put an oil counter on Tablet of Compleation. {T}: Add {C}. Activate only if Tablet of Compleation has two or more oil counters on it. {1}, {T}: Draw a card. Activate only if Tablet of Compleation has five or more oil counters on it. |
| Harmonic Prodigy | 1R | Creature — Human Wizard | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) If an ability of a Shaman or another Wizard you control triggers, that ability triggers an additional time. 1/3 |
| Felix Five-Boots | 2BGU | Legendary Creature — Ooze Rogue | Menace, ward {2} If a creature you control dealing combat damage to a player causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. 5/4 |
| Coalition Honor Guard | 3W | Creature — Human Flagbearer | While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able. 2/4 |
| Standard Bearer | 1W | Creature — Human Flagbearer | While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able. 1/1 |