Card Codex

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17 May 2024: Card library updated.

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.

Similar cards

Color identity:
NameManaTypeText
Lightning Mare RRCreature — Elemental Horse This spell can't be countered. Lightning Mare can't be blocked by blue creatures. {1}{R}: Lightning Mare gets +1/+0 until end of turn. 3/1
Iron Golem 4Artifact Creature — Golem Vigilance Iron Golem attacks or blocks each combat if able. 5/3
Righteous War 1WBEnchantment White creatures you control have protection from black. Black creatures you control have protection from white.
Elven Warhounds 3GCreature — Dog Whenever Elven Warhounds becomes blocked by a creature, put that creature on top of its owner's library. 2/2
Blood Clock 4Artifact At the beginning of each player's upkeep, that player returns a permanent they control to its owner's hand unless they pay 2 life.
Thassa's Rebuff 1UInstant Counter target spell unless its controller pays {X}, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)
Power Taint 1UEnchantment — Aura Enchant enchantment At the beginning of the upkeep of enchanted enchantment's controller, that player loses 2 life unless they pay {2}. Cycling {2} ({2}, Discard this card: Draw a card.)
Seafarer's Quay Land Blue legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)
Thieves' Tools 1BArtifact — Equipment When Thieves' Tools enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Equipped creature can't be blocked as long as its power is 3 or less. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)
Goldenhide Ox 5GEnchantment Creature — Ox Constellation — Whenever Goldenhide Ox or another enchantment enters the battlefield under your control, target creature must be blocked this turn if able. 5/4
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