Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Rethink

2U · Instant

Counter target spell unless its controller pays {X}, where X is its mana value.

Similar cards

Color identity:
NameManaTypeText
Nantuko Shrine 1GGEnchantment Whenever a player casts a spell, that player creates X 1/1 green Squirrel creature tokens, where X is the number of cards in all graveyards with the same name as that spell.
Dreadhorde Arcanist 1RCreature — Zombie Wizard Trample Whenever Dreadhorde Arcanist attacks, you may cast target instant or sorcery card with mana value less than or equal to Dreadhorde Arcanist's power from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. 1/3
Unmask 3BSorcery You may exile a black card from your hand rather than pay this spell's mana cost. Target player reveals their hand. You choose a nonland card from it. That player discards that card.
Austere Command 4WWSorcery Choose two — • Destroy all artifacts. • Destroy all enchantments. • Destroy all creatures with mana value 3 or less. • Destroy all creatures with mana value 4 or greater.
Obsessive Collector 3UCreature — Spirit Flying Ward {2} Whenever Obsessive Collector deals combat damage to a player, seek a card with mana value equal to the number of cards in your hand. 4/4
Defiler of Vigor 3GGCreature — Phyrexian Wurm Trample As an additional cost to cast green permanent spells, you may pay 2 life. Those spells cost {G} less to cast if you paid life this way. This effect reduces only the amount of green mana you pay. Whenever you cast a green permanent spell, put a +1/+1 counter on each creature you control. 6/6
Fervent Mastery 3RRSorcery You may pay {2}{R}{R} rather than pay this spell's mana cost. If the {2}{R}{R} cost was paid, an opponent discards any number of cards, then draws that many cards. Search your library for up to three cards, put them into your hand, shuffle, then discard three cards at random.
Antarctic Research Base Plane — Earth When you planeswalk to Antarctic Research Base and at the beginning of your upkeep, investigate. Whenever chaos ensues, put X +1/+1 counters on target creature you control, where X is the number of artifacts you control. It becomes a Plant in addition to its other types.
Energy Flux 2UEnchantment All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."
Yuriko, the Tiger's Shadow 1UBLegendary Creature — Human Ninja Commander ninjutsu {U}{B} ({U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand or the command zone tapped and attacking.) Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's mana value. 1/3
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