M:tG card similarity search
2R · Enchantment
Cumulative upkeep {R} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Blue creatures can't block creatures you control. Nonblue creatures can't block creatures you control unless their controller pays 1 life for each blocking creature they control.
| Name | Mana | Type | Text |
|---|---|---|---|
| Ominous Roost | 2U | Enchantment | When Ominous Roost enters the battlefield or whenever you cast a spell from your graveyard, create a 1/1 blue Bird creature token with flying and "This creature can block only creatures with flying." |
| Dorothea, Vengeful Victim | WU | Legendary Creature — Spirit | Flying When Dorothea, Vengeful Victim attacks or blocks, sacrifice it at end of combat. Disturb {1}{W}{U} (You may cast this card from your graveyard transformed for its disturb cost.) 4/4 |
| Seafloor Stalker | 2U | Creature — Merfolk Rogue | {4}{U}: Seafloor Stalker gets +1/+0 until end of turn and can't be blocked this turn. This ability costs {1} less to activate for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.) 2/3 |
| Runed Arch | 3 | Artifact | Runed Arch enters the battlefield tapped. {X}, {T}, Sacrifice Runed Arch: X target creatures with power 2 or less can't be blocked this turn. |
| Otarian Juggernaut | 4 | Artifact Creature — Juggernaut | Otarian Juggernaut can't be blocked by Walls. Threshold — As long as seven or more cards are in your graveyard, Otarian Juggernaut gets +3/+0 and attacks each combat if able. 2/3 |
| Opportunistic Dragon | 2RR | Creature — Dragon | Flying When Opportunistic Dragon enters the battlefield, choose target Human or artifact an opponent controls. For as long as Opportunistic Dragon remains on the battlefield, gain control of that permanent, it loses all abilities, and it can't attack or block. 4/3 |
| Spore Cloud | 1GG | Instant | Tap all blocking creatures. Prevent all combat damage that would be dealt this turn. Each attacking creature and each blocking creature doesn't untap during its controller's next untap step. |
| Tormentor's Helm | R | Artifact — Equipment | Equipped creature gets +1/+1. Whenever equipped creature becomes blocked, it deals 1 damage to defending player. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.) |
| Faerie Slumber Party | 4UU | Sorcery | Return all creatures to their owners' hands. For each opponent who controlled a creature returned this way, you create two 1/1 blue Faerie creature tokens with flying and "This creature can block only creatures with flying." |
| Thelon's Chant | 1GG | Enchantment | At the beginning of your upkeep, sacrifice Thelon's Chant unless you pay {G}. Whenever a player puts a Swamp onto the battlefield, Thelon's Chant deals 3 damage to that player unless the player puts a -1/-1 counter on a creature they control. |