M:tG card similarity search
3R · Instant — Trap
If an opponent cast a blue spell this turn, you may pay {R} rather than pay this spell's mana cost. Change the target of target spell with a single target.
| Name | Mana | Type | Text |
|---|---|---|---|
| Author of Shadows | 4B | Creature — Shade Warlock | When Author of Shadows enters the battlefield, exile all opponents' graveyards. Choose a nonland card exiled this way. You may cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. 3/3 |
| Snowborn Simulacra | XUU | Sorcery | Conjure a duplicate of each of X target nontoken permanents into your hand. Those cards perpetually gain "You may spend mana as though it were mana of any color to cast this spell." If X is 5 or more, you may put one of them from your hand onto the battlefield. |
| Grand Architect | 1UU | Creature — Vedalken Artificer | Other blue creatures you control get +1/+1. {U}: Target artifact creature becomes blue until end of turn. Tap an untapped blue creature you control: Add {C}{C}. Spend this mana only to cast artifact spells or activate abilities of artifacts. 1/3 |
| Thieving Aven | 2U | Creature — Bird Rogue | Flying Whenever Thieving Aven deals combat damage to a player, heist target opponent's library. Whenever you cast a spell you don't own, put a +1/+1 counter on Thieving Aven. 1/4 |
| Rhythm of the Wild | 1RG | Enchantment | Creature spells you control can't be countered. Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.) |
| Mistform Warchief | 2U | Creature — Illusion | Creature spells you cast that share a creature type with Mistform Warchief cost {1} less to cast. {T}: Mistform Warchief becomes the creature type of your choice until end of turn. 1/3 |
| Aethergeode Miner | 1W | Creature — Dwarf Scout | Whenever Aethergeode Miner attacks, you get {E}{E} (two energy counters). Pay {E}{E}: Exile Aethergeode Miner, then return it to the battlefield under its owner's control. 3/1 |
| Svega, the Unconventional | 1GWU | Legendary Planeswalker — Svega | Landfall — Whenever a land enters the battlefield under your control, put a loyalty counter on target planeswalker. [−2]: For each planeswalker type among planeswalkers you control, create a 1/1 Attendee creature token that's all colors. [−X]: Choose an Elspeth, Teferi, Liliana, Chandra, or Garruk planeswalker card name with mana value X. Create a copy of the card with the chosen name. You may cast the copy without paying its mana cost. Svega can be your commander. Loyalty 3 |
| Lobber Crew | 2R | Creature — Goblin Warrior | Defender {T}: Lobber Crew deals 1 damage to each opponent. Whenever you cast a multicolored spell, untap Lobber Crew. 0/4 |
| Heat Wave | 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. |